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#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;

#ifdef DEBUG
#include "lib/debug.h"
#else
#define debug(...) 228
#endif

#define pb push_back

typedef long long ll;
typedef long double ld;
int n;
const int maxN = 1e5 + 10;
string s[maxN];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef DEBUG
    freopen("input.txt", "r", stdin);
#endif
    cin >> n;
    vector<int> ans;
    for (int i = 1; i <= n; i++) {
        cin >> s[i];
        int x;
        cin >> x;
        if (s[i] == "TAK") {
            if ((int)ans.size() < 20 && ((int)ans.size() < 10 || (x < 2))) {
                ans.emplace_back(i);
            }
        }
    }
    for (int v : ans) cout << v << " ";
    return 0;
}