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//#pragma GCC optimize("Ofast", "unroll-loops")
//#pragma GCC target("sse", "sse2", "sse3", "ssse3", "sse4")

#include <bits/stdc++.h>

#define all(a) a.begin(),a.end()
#define len(a) (int)(a.size())
#define mp make_pair
#define pb push_back
#define fir first
#define sec second
#define fi first
#define se second

using namespace std;

typedef pair<int, int> pii;
typedef long long ll;
typedef long double ld;

template<typename T>
bool umin(T &a, T b) {
    if (b < a) {
        a = b;
        return true;
    }
    return false;
}

template<typename T>
bool umax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

#ifdef KIVI
#define DEBUG for (bool _FLAG = true; _FLAG; _FLAG = false)
#define LOG(...) print(#__VA_ARGS__" ::", __VA_ARGS__) << endl

template<class ...Ts>
auto &print(Ts ...ts) { return ((cerr << ts << " "), ...); }

#else
#define DEBUG while (false)
#define LOG(...)
#endif

mt19937 rng(4242);

const int max_n = -1, inf = 1000111222;

void solve() {
    int n;
    cin >> n;
    vector<pair<int, int> > a;
    for(int i = 1; i <= n; i++) {
        string s; int am; cin >> s >> am;
        if(s == "TAK") a.pb({am, i});
    }
    vector<int> ans;
    for(int i = 0; i < len(a) && i < 10; i++) {
        ans.pb(a[i].se);
    }
    for(int i = 10; i < len(a); i++) {
        if(len(ans) < 20 && a[i].fi < 2) ans.pb(a[i].se);
    }
    for(auto& x : ans) cout << x << ' ';
}

int main() {
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);

    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int t = 1;

//    cin >> t;

    while (t--) solve();

}

/*
KoRoVa!
*/