#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n, x = 0, y[21] = {};
    cin >> n;
    for(int i = 1;i <= n;i++)
    {
        string s;
        int a;
        cin >> s >> a;
        if(s == "TAK" && x <= 10 && x <= 20)
        {
            x++;
            y[x] = i;
        }
        else if(s == "TAK" && x > 10 && a < 2 && x <= 20)
        {
            x++;
            y[x] = i;
        }
    }
    for(int i = 1;i <= 20;i++)
        cout << y[i] << ' ';
}

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