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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double db;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<db> vdb;
typedef vector<pii> vii;
typedef vector<pll> vll;
#define st first
#define nd second
#define sz(x) ((int)x.size())
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define BOOST ios_base::sync_with_stdio(0);cin.tie(0);
#define FOR(i,j,k) for(auto i = (j); i<(k); i++)

int main()
{
	int n;
	cin>>n;
	int cnt = 0;
	for (int i = 1; i <= n && cnt < 20; i++) {
		string s;
		int x;
		cin>>s>>x;
		if (s == "TAK" && (cnt < 10 || x < 2)) {
			cout<<i<<" ";
			cnt++;
		}	
	}
}