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#include <algorithm>
#include <array>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <exception>
#include <fstream>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <regex>
#include <set>
#include <sstream>
#include <stdexcept>
#include <string>
#include <tuple>
#include <typeinfo>
#include <vector>

#include <unordered_set>
#include <unordered_map>
#include <bitset>

using namespace std;
#define rep(i,b) for(auto i=(0);i<(b);++i)
#define fo(i,a,b) for(auto i=(a);i<=(b);++i)
#define ford(i,a,b) for(auto i=(a);i>=(b);--i)
#define fore(a,b) for(auto &a:(b))
#define v vector
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define clr(x,a) memset(x,a,sizeof(x))

template <typename T, size_t N> struct ma : array<T,N> { T& operator[](size_t n) {
#ifdef DEBUG
           assert(n < N);
#endif
return (*static_cast<array<T,N>*>(this))[n]; } } ; typedef long long ll; typedef long double ld; typedef vector<int> vi; typedef vector<string> vs; typedef ostringstream oss; typedef istringstream iss;
template<class T> string to_str(const T &a) { oss os; os << a; return os.str(); }
template<> string to_str<ld>(const ld& a) { oss os; os.precision(10); os.setf(ios::fixed); os << a; return os.str(); }
template<class T> T from_str(const string &s) { iss is; T val; is >> val; return val; }

int cond = (ll)0;
//#define db(x...) { if (cond > 0) { rep (xxx, 1) cerr << __LINE__ << " " << #x << " " << x << endl; cerr.flush(); } }
#define db(x...)


const int P = (int)1e9 + 7;
typedef array<int, 2> pii;
typedef array<int, 3> dat;

const int sz = 2*(int)1e6 + 33;
pii wyn[sz];
map<int, dat> info;
map<int, pii, greater<int>> sum;

int used[sz];

void dodaj(int pos, int cnt) {
    pii val = wyn[pos];
    if (val[0] < 0) return;
    used[pos] += cnt;
    auto &it = sum[val[0]];

    it[1] += val[1] * cnt;
    it[0] += cnt;
    while (it[1] < 0) it[1] += P;
    while (it[1] >= P) it[1] -= P;
    if (it[0] == 0) sum.erase(val[0]);
}

const int cond2 = 0;
const int cond3 = 0;
int n;
void solve() {
    v<array<int,2>> a(n+1);
    fo (i, 1, n) rep(j,2) scanf("%d", &a[i][j]);
    fo (i, 1, n) wyn[i][0] = -1;
    wyn[0][0] = 0;
    wyn[0][1] = 1;

    info[0] = dat({{(int)1e7, 0, 0}});

    vi le(n+1, 0);
    multiset<int> limit;
    map<int, vi> rem;
    fo (i, 1, n) {
        limit.insert(a[i][1]);
        rem[i+a[i][1]].pb(a[i][1]);
        if (!limit.empty()) {
            int cand = i - *limit.begin();
            le[i] = max(le[i], max(0, cand));
        }
        le[i] = max(le[i], le[i-1]);
        auto pt = rem.find(i);
        if (pt != rem.end()) {
            fore (it, pt->second) {
                limit.erase(limit.find(it));
            }
        }
    }
    

#define f first
#define s second
    map<int, vector<int>> do_try;
    int lam = 0;
    int cnt = 0;
    fo (i, 1, n) {
        info[i] = dat{{a[i][0], 1, 0}};
        
#define iiii map<int, dat>::iterator
        bool change = false;
        auto hmm = [&](iiii it2) {
            lam++;
            while (true) {
again:;
            if (it2 == info.begin()) break;;
            auto pr2 = it2;
            pr2--;
            auto &it = it2->s; auto &pr = pr2->s;
            if (it[1] == 0 && it[2] == 0) {
                cerr<<it2->f<<" "<<__LINE__<<" "<<"BUG"<<endl;
                exit(1);
            }
            int &zab = it[1];
            while (pr[1] == 0 && pr[2] > 0) {
                change = true;
                if (cond2) cerr << "cond2 " << __LINE__ << endl;
                db(pr2->f<<" "<<pr[0]<<" "<<pr[1]<<" "<<pr[2]);
                db(it2->f<<" "<<it[0]<<" "<<it[1]<<" "<<it[2]);
                db("join");
                it[1] += pr[1];
                it[2] += pr[2];
                db(it2->f<<" "<<it[0]<<" "<<it[1]<<" "<<it[2]);

                int val = it2->f;
                db("erase "<<pr2->f);
                info.erase(pr2->f);
                it2 = info.find(val);
                goto again;
            }
            if (zab > 0) {
                int tarzab = max(0, it2->f + (it[0] - 1) - i);
                db(tarzab<<" "<<zab);
                db(pr2->f<<" "<<pr[0]<<" "<<pr[1]<<" "<<pr[2]);
                db(it2->f<<" "<<it[0]<<" "<<it[1]<<" "<<it[2]);
                while (zab > tarzab) {
                    db(zab<<" "<<tarzab<<" "<<sum.size());
                    int pos = it2->f - zab;
                    db("dodaj "<<pos);
                    dodaj(pos, 1);
                    zab--; it[2]++;
                    if (cond2) cerr << "cond2 " << __LINE__ << endl;
                    change = true;
                }
                while (true) {
                    bool redo = false;
                    while (zab < tarzab && it[2] > 0) {
                        change = true;
                        if (cond2)cerr  << "cond2 " << __LINE__ << endl;
                        db(zab<<" "<<it[2]);
                        int pos = it2->f - zab - 1;
                        db("usun "<<pos);
                        dodaj(pos, -1);
                        zab++; it[2]--;
                        redo = true;
                    }
                    if (redo) continue;

                    //int diff = (it[0] - pr[0]);;
                    int diff = (it[0] - pr[0]);// + (-it2->f + pr2->f);
                    db(it2->f<<" "<<pr2->f<<" "<<diff<<" "<<zab<<" "<<tarzab<<" "<<it[0]<<" "<<pr[0]);
                    if (zab < tarzab && diff >= 0 ) {
                        change = true;
                    if (cond2)cerr  << "cond2 " << __LINE__ << endl;
                        if (it[2] != 0) cerr << "BUG" << endl;
                        it[1] += pr[1];
                        it[2] += pr[2];

                        int val = it2->f;
                        db("erase "<<pr2->f);
                        info.erase(pr2->f);
                        it2 = info.find(val);
                        goto again;
                    }

                    if (!redo) break;
                }
                db(it2->f<<" "<<it[0]<<" "<<it[1]<<" "<<it[2]);
            }
            int minle = it2->f - it[1] - it[2];
            while (le[i] > minle || it[1] == 0 && it[2] == 0) {
                if (it[2] > 0) {
                    change = true;
                    if (cond2)cerr  << "cond2 " << __LINE__ << endl;
                    int pos = it2->f - it[1] - it[2];
                    db("usun " << pos);
                    dodaj(pos, -1);
                    it[2]--;
                    minle++;
                }
                else if (it[1] > 0) {
                    change = true;
                    if (cond2)cerr  << "cond2 " << __LINE__ << endl;
                    int pos = it2->f - it[1];
                    it[1]--;
                    minle++;
                }
                else {
                    change = true;
                    if (cond2)cerr  << "cond2 " << __LINE__ << endl;
                    int val = pr2->f;
                    db("erase "<<it2->f);
                    info.erase(it2->f);
                    it2 = info.find(val);
                    goto again;
                }
            }
            break;
            }
            if (change && it2->s[2] == 0 && it2->s[1] > 0) {
                int pos = it2->f - it2->s[2];
                int when = pos + it2->f;
                if (when > i) do_try[when].pb(it2->f);
                //do_try[when+1].pb(it2->f);
                //do_try[it2->f + it2->s[0]].pb(it2->f);
            }
            else if (change) {
                do_try[i+1].pb(it2->f);
            }
            return it2;
        };
        int ile = min(50, 20000000 / n);
        int k = 0;
        auto it2 = info.begin();

        do_try[i].pb(i);
        do_try[i+a[i][1]].pb(i);
        do_try[i+a[i][1]+1].pb(i);

        fo (x, le[i-1], le[i]+1) {
            //cnt++;
            auto it2 = info.lower_bound(x);
            if (it2 == info.end()) break;
            x = it2->f;
            do_try[i].pb(it2->f);
        }
        //if (i % 1000 == 0) cerr << i<<" "<<do_try[i].size() <<" "<<cnt<< " "<<lam<<endl;
        fore (it, do_try[i]) {
             cnt++;
            if (cond3) cerr<<i<<" "<<it<<endl;
            bool c2 = 1;
            rep (iii, 3) {
                here:;
                it2 = info.lower_bound(it);
                if (it2 == info.end()) continue;
                if (iii == 1) {
                    it2++;
                    if (it2 == info.end()) continue;
                }
                if (iii == 2) {
                    if (it2 == info.begin()) continue;
                    it2--;
                    if (it2 == info.begin()) continue;
                }
                if (cond3) cerr << "try " <<i<<" "<<it2->f << endl;
                int k = 0;
                for (; it2 != info.end(); it2++) {
                    if (it2 == info.begin()) break;
                    do{
                        change = false;
                        it2 = hmm (it2);
                        if (cond3 && change) { cerr << i <<" "<<it << endl; }
                        if (change) goto here;
                    }
                    while (change);
                    //if (change) cerr << "OK " << it2->f <<endl;
                    //if (!
                    if (change) {
                        k = 0;
                    }
                    else if (k++ > 2) 
                        break;
                }
            }
        }
        do_try.erase(i);
        k = 0;
        if (cond2) fore (it, info) cerr <<" HAVE " << i << " " <<it.f << endl;
        for (; it2 != info.end(); it2++) {
            change = false;
            it2 = hmm (it2);
            if (change) {
                cerr << "BUG " <<" "<<i<<" "<<it2->f << endl;
                exit(1);
            }
            if (change) k = 0;
            if (!(change || k++ < 10)) break;
        }
        k = 0;
        if (it2 != info.end())
        for (auto it2 = info.end(); it2 != info.begin(); it2--) {
            if (it2 == info.end()) continue;
            change = false;
            it2 = hmm (it2);
            if (change) {
                cerr << "BUG " <<" "<<i<<" "<<it2->f << endl;
                exit(1);
            }
            if (change) k = 0;
            if (!(change || k++ < 10)) break;
        }

        /*
        for (auto it2 = info.begin(); it2 != info.end(); it2++) {
            change = false;
            int val = it2->f;
            if (cond3) cerr <<__LINE__  << endl;
            it2 = hmm (it2);
            if (change) {
                cerr << "hnm " << " " << i <<" " << val<<" "<<it2->f << endl;
                exit(1);
            }
        }
        */



        if (sum.size()) {
            auto elem = sum.begin();
            wyn[i] = pii({{elem->f + 1, elem->s[1]}});
        }
        if (cond) {
            for (auto it2 = info.begin(); it2 != info.end(); it2++) {
                db(it2->f<<" "<<it2->s[0]<<" "<<it2->s[1]<<" "<<it2->s[2]);
            }
            db(i<<" "<<wyn[i][0]<<" "<<wyn[i][1]);
        }
        if (cond) {
            fo (i, 0, n - 1) if (used[i]) cerr << "(" << i <<" "<<used[i] <<") " ; cerr <<endl;
            fore (it, sum) {
                db(i<<" "<<it.f<<" "<<it.s[0]<<" "<<it.s[1]);
            }
        }
    }
    if (wyn[n][0] == -1) 
        cout << "NIE" << endl;
    else
        cout << wyn[n][0] << " " << wyn[n][1] << endl;
}

void solveb() {
    v<array<int,2>> a(n);
    rep (i, n)  rep(j,2) scanf("%d", &a[i][j]);
    vi len(n+1, -2);
    vi ile(n+1, -1);
    len[0] = 0;
    ile[0] = 1;
    const int MOD = (int)1e9 + 7;
    ll cntx = 0;
    fo (i, 1, n) {
        if (i % 1000 == 0 ) cerr << i << " " << cntx << endl;
        int mi = a[i-1][0];
        int ma = a[i-1][1];
        int sum = 0;
        int best_len = -1;
        int elem = 0;
        int cnt = 0;
        ford (j, i, 1) {
            elem ++;
            mi = max(mi, a[j-1][0]);
            ma = min(ma, a[j-1][1]);
            if (mi <= ma)  {
                if (elem > ma) break;
                if (elem >= mi) {
                    if (best_len < len[j-1] + 1 && ile[j-1] >= 0) {
                        best_len = len[j-1] + 1;
                        sum = 0;
                    }
                    if (best_len == len[j-1] + 1) {
                        cntx++;
                        sum = (sum + ile[j-1]) % MOD;
                    }
                }
            } else break;
        }
        if (best_len > 0) {
            len[i] = best_len;
            ile[i] = sum;
        }
        db(i<<" "<<best_len<<" "<<sum);
    }
    if (len[n] <= -1)
        cout << "NIE" << endl;
    else
        cout << len[n] <<" "<<ile[n]<<endl;
}

int main(int argc, char ** argv) {
    ios::sync_with_stdio(false);

    vs args;
    int nr_test = -1;
    int t = 1;

    int brute = 0;
    fo (i, 1, argc - 1) args.pb(argv[i]);
    fore (it, args) if (it == "q") cond = 1000000;
    fore (it, args) if (it == "all") t = 1000;
    fore (it, args) if (it == "b") brute = 1;
    fore (it, args) if (atoi(it.c_str()) > 0) nr_test = atoi(it.c_str());

    scanf("%d", &n);
    fo (i, 1, t) {
        if (n <= 2000) //brute)
            solveb();
        else
            solve();
    }
    return 0;
}