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#include <bits/stdc++.h>
using namespace std;

constexpr int MAX_N = 1e4;

int n, x;
string s;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    cin >> n;

    int counter = 0;

    for(int i = 1; i <= n; i++) {
        cin >> s >> x;

        if(s == "TAK" && counter < 20) {
            if(counter >= 10 && x >= 2) {
                continue;
            }
            
            counter++;
            cout << i << ' ';
        }
    }
}