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#include "bits/stdc++.h"
using namespace std;
#define all(x) x.begin(),x.end()
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << p.first << " " << p.second; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#define ASSERT(...) 42
#endif
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int oo = 1e9;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n; cin >> n;
    vi x(n);
    vi who;

    for(int i=0;i<n;++i) {
        string s;
        cin >> s;
        cin >> x[i];
        if(s=="TAK") who.push_back(i);
    }
    int cur=0;
    for(auto i : who) if(cur<20) {
        if(cur>=10) {
            if(x[i]>=2) {
                continue;
            }
        }
        cur++;
        cout << i+1 << ' ';
    }
    cout << '\n';

}