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#include "bits/stdc++.h"
using namespace std;
#define rep(i,a,b) for(int i=(a); i<(b); ++i)
#define all(x) x.begin(),x.end()
#define sz(x) int(x.size())
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<vi> vvi;

int main(){
    cin.tie(NULL),cin.sync_with_stdio(false);
    
    int n; cin >> n;
    vector<bool> used(n), want = used, part = used;

    rep(i,0,n){
        string s; cin >> s;
        want[i] = s == "TAK";
        int t; cin >> t;
        part[i] = t < 2;
    }

    vi ans(20);

    int cc = 0;
    rep(i,0,n){
        if (cc<10 and want[i]){
            used[i] = 1;
            ans[cc++] = i;
        }
    }

    rep(i,0,n){
        if (cc<20 and want[i] and part[i] and !used[i]) {
            used[i] = 1;
            ans[cc++] = i;
        }
    }

    for(auto& c : ans) cout << c+1 << ' ';
    cout << '\n';
}