#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

typedef pair<int,int> P;

int main(){
  int n;

  while(cin >> n,n){
    vector<P> v,b;
    for(int i = 0 ; i < n ; i++){
      int m,s,sum = 0,num;
      cin >> num;
      for(int j = 0 ; j < 4 ; j++){
	cin >> m >> s;
	sum += m*60 + s;
      }
      v.push_back(P(-sum,num));
      b.push_back(P(sum,num));
    }
    sort(v.begin(),v.end());
    sort(b.begin(),b.end());
    cout << b[0].second << endl;
    cout << b[1].second << endl;
    cout << v[1].second << endl;
  }

  return 0;
}