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// https://sio2.mimuw.edu.pl/c/pa-2025-1/p/fin/
#include <bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rep(i, a) for (int i = 0; i < int(a); i++)
#define rep1(i, a) for (int i = 1; i <= int(a); i++)
#define los(a, b) (rng() % (int)(b - a + 1) + (int)(a))
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
const int MAXN = 1;
int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    vector<int> res;
    rep1(i, n) {
        string s;
        int x;
        cin >> s >> x;
        if ((res.size() < 10 && s == "TAK") ||
            (res.size() < 20 && s == "TAK" && x < 2))
            res.pb(i);
    }
    for (auto i : res)
        cout << i << ' ';
    cout << '\n';
}