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#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define pb push_back
#define st first
#define nd second

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    vector<int> v;
    int ile = 0;
    rep(i, n) {
        string s;
        int x;
        cin >> s >> x;
        if (s != "TAK") {
            continue;
        }
        if (ile == 20) {
            break;
        }
        if (ile >= 10 && x >= 2) {
            continue;
        }
        v.pb(i + 1);
        ile++;
    }
    rep(i, ile) {
        cout << v[i] << " ";
    }
    cout << '\n';
    return 0;
}