#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;i++)
using namespace std;
typedef long long ll;
typedef pair<int, int>P;

int main() {
	int n;
	while (cin >> n, n) {
		vector<P>v;
		rep(i, n) {
			int c1, m1, s1, m2, s2, m3, s3, m4, s4;
			cin >> c1 >> m1 >> s1 >> m2 >> s2 >> m3 >> s3 >> m4 >> s4;
			v.push_back(P((m1 + m2 + m3 + m4) * 60 + s1 + s2 + s3 + s4, c1));
		}
		sort(v.begin(), v.end());
		cout << v[0].second << endl << v[1].second << endl << v[n - 2].second << endl;
	}
}