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#include <cstdio>
#include <algorithm>
#include <vector>
#include <random>
#include <cstdlib>

#define REP(i,n) for(int i=0; i<(n); ++i)
#define FOR(i,p,k) for(int i=(p); i<=(k); ++i)
#define FORD(i,p,k) for(int i=(p); i>=(k); --i)

#define DEBUG if(0)

template<typename T> inline void checkmin(T &a, T b){ if(a>b) a = b; }
template<typename T> inline void checkmax(T &a, T b){ if(a<b) a = b; }

std::mt19937 rnd(12878263);

struct In
{
  std::vector<int> L,H;

  void read()
  {
    int n; scanf("%d",&n);
    L.resize(n); H.resize(n);
    REP(i,n) scanf("%d%d",&L[i],&H[i]);
  }

  void gen(int n = 10000)
  {
    int x = 10;
    L.resize(n); REP(i,n) L[i] = rnd()%x+1;
    H.resize(n); REP(i,n) H[i] = rnd()%x+n;
    REP(i,n) if(L[i]>H[i]) std::swap(L[i],H[i]);
  }
  
  void print()
  {
    printf("%d\n",L.size());
    REP(i,L.size()) printf("%d %d\n",L[i],H[i]);
  }
};

struct Best
{
  enum { M = 1000000007 };
  Best(int _m = -1, int _c = 1) : m(_m), c(_c) {}
  int m,c;
  Best up() const { return Best(m<0?-1:m+1,c); }
  Best operator+(Best b) const
  { return m==b.m ? Best(m,(c+b.c)%M) : m>b.m ? *this : b; }
  Best & operator+=(Best b)
  { if(m<b.m) *this = b; else if(m==b.m) c = (c+b.c)%M; return *this; }

  bool operator==(Best b){ return m==-1 ? b.m==-1 : m==b.m && c==b.c; }
  bool operator!=(Best b){ return !(*this==b); }

  void print() const
  { if(m<0) printf("[NIE]\n"); else printf("[%d:%d]\n",m,c); }
  void print2() const
  { if(m<0) printf("[NIE] "); else printf("[%d:%d] ",m,c); }
};

struct Tree
{
  std::vector<Best> T;
  int hat;
  Tree(int n)
  {
    hat = 1; while(hat<n) hat<<=1;
    T.resize(hat*2);
  }
};

struct GetTree : Tree
{
  GetTree(int s) : Tree(s) {}
  int a,b;
  
  Best get(int t, int u, int v)
  {
    if(a<=u && v<=b) return T[t];
    if(b<u || v<a) return Best();
    int m = (u+v)/2;
    return get(t<<1,u,m)+get(t<<1|1,m+1,v);
  }

  Best get(int _a, int _b) // [a,b]
  {
    a = _a; b = _b;
    Best q = get(1,0,hat-1);
    DEBUG { printf("GT.get(%d;%d) = ",a,b); q.print(); }
    return q;
  }

  Best get(int _a){ return get(_a,_a); }

  void update(int a, Best q)
  {
    DEBUG { printf("GT.update(%d) = ",a); q.print(); }
    T[a += hat] = q;
    while(a>>=1) T[a] = T[a<<1]+T[a<<1|1];
    DEBUG { printf("GT = "); REP(i,T.size()) T[i].print2(); puts(""); }
  }
};

struct PutTree : Tree
{
  PutTree(int s) : Tree(s) {}
  int a,b; Best q;
  
  void update(int t, int u, int v)
  {
    if(a<=u && v<=b) T[t] += q;
    else if(b<u || v<a) return;
    else
    {
      int m = (u+v)/2;
      update(t<<1,u,m);
      update(t<<1|1,m+1,v);
    }
  }

  void update(int _a, Best _q){ update(_a,_a,_q); }

  void update(int _a, int _b, Best _q)
  {
    a = _a; b = _b; q = _q;
    DEBUG { printf("PT.update(%d;%d) = ",a,b); q.print(); }
    update(1,0,hat-1);
  }

  Best get(int a)
  {
    int a2 = a;
    Best q = T[a += hat];
    while(a>>=1) q += T[a];
    DEBUG { printf("PT.get(%d) = ",a2); q.print(); }
    return q;
  }
};

void make_h(const std::vector<int> &H, std::vector<int> &HR)
{
  int n = H.size();
  HR.resize(n);
  std::vector<int> Q(n);
  int qf=0,ql=0; 

  int j = n;
  FORD(i,n-1,0)
  {
    while(qf<ql && H[Q[ql-1]]>H[i]) ql--;
    Q[ql++] = i;
    while(qf<ql && H[Q[qf]]<j-i) if(Q[qf]==--j) qf++;
    HR[i] = j-1; // [i,j]
  }
}

void print(const char *n, const std::vector<int> &v)
{ printf("%s = ",n); for(auto i : v) printf("%d ",i); puts(""); }

Best go(const In &I)
{
  int n = I.L.size();
  // HL, HR
  std::vector<int> S(I.H.begin(),I.H.end());
  std::vector<int> HR,HL;
  make_h(S,HR); std::reverse(S.begin(),S.end());
  make_h(S,HL); std::reverse(HL.begin(),HL.end()); for(int &h : HL) h = n-h-1;

  // LL, LR
  std::vector<int> LL(n),LR(n);
  S.clear(); S.push_back(-1);
  REP(i,n) 
  {
    while(S.size()>1 && I.L[S.back()]<I.L[i]) S.pop_back();
    LL[i] = S.back(); S.push_back(i);
  }
  S.clear(); S.push_back(n);
  FORD(i,n-1,0)
  {
    while(S.size()>1 && I.L[S.back()]<=I.L[i]) S.pop_back();
    LR[i] = S.back(); S.push_back(i);
  }

  DEBUG
  {
    print("HR",HR);
    print("HL",HL);
    print("LL",LL);
    print("LR",LR);
  }

  GetTree GT(n+1); GT.update(n,Best(0,1));
  PutTree PT(n);
  FORD(i,n-1,0)
  {
    DEBUG printf("segments within [%d;%d] containing %d\n",LL[i]+1,LR[i]-1,i);
    if(i-LL[i]<LR[i]-i)
    {
      FOR(j,LL[i]+1,i)
        PT.update(j,GT.get(std::max(i+1,j+I.L[i]),std::min(LR[i],HR[j]+1)).up());
    }
    else FOR(j,i,LR[i]-1)
      PT.update(std::max(HL[j],LL[i]+1),std::min(i,j-I.L[i]+1),GT.get(j+1).up());
    GT.update(i,PT.get(i));
  }
  return GT.get(0);
}

Best brute(const In &I)
{
  int n = I.L.size(); //printf("I.L.size()=%d\n",I.L.size());
  std::vector<Best> R(n+1); R[n] = Best(0,1);
  FORD(i,n-1,0) FOR(j,i+1,n)
  {
    int l = I.L[i], h = I.H[i];
    FOR(k,i,j-1)
    {
      checkmin(h,I.H[k]);
      checkmax(l,I.L[k]);
    }
    if(j-i<=h && l<=j-i) R[i] += R[j].up();
  }
  //REP(i,n+1) R[i].print();
  return R[0];
}

void test()
{
  REP(_,3)
  {
    puts("max test");
    In I; I.gen(1000000);
    go(I);
  }
  for(int c=0,yes=0;;c++)
  {
    In I; I.gen();
    Best s = go(I);
    Best b = brute(I);
    if(s!=b)
    {
      printf("ERROR\n");
      printf("s = "); s.print();
      printf("b = "); b.print();
      I.print();
      exit(1);
    }
    if(b.m!=-1) yes++;
    if(!(c%100)) 
      printf("ok %d; yes=%d\n",c,yes);
  }
}

int main(int argc, char **argv)
{
  if(argc>1)
  {
    In I; I.gen(1000000); I.print();
    Best r = go(I);
    fprintf(stderr,"res = %d:%d\n",r.m,r.c);
    return 0;
  }
  //test();
  In I; I.read();
  Best res = go(I);
  if(res.m<0) puts("NIE"); else printf("%d %d\n",res.m,res.c);
  return 0;
}