#include <bits/stdc++.h>
using namespace std;
struct Winner{
    int num;
    double aver;
    friend bool operator<(Winner a,Winner b){
        return a.aver < b.aver;
    }
};
priority_queue<Winner> p;

int main(){
    int n,score,sum = 0;
    cin>>n;
    Winner usr[n];
    for(int i = 0 ; i < n ; i++){
        vector<int> v;
        sum = 0;
        cin>>usr[i].num;
        for(int j = 0 ; j < 5 ; j++){
            cin>>score;
            v.push_back(score);
        }
        sort(v.begin(),v.end());
        for(int j = 1 ; j < 4 ; j++){
            sum += v[j];
        }
        usr[i].aver = sum / 3.0;
        p.push(usr[i]);
    }
    for(int i = 0 ; i < 3 ; i++){
        printf("%d %.3lf\n",p.top().num,p.top().aver);
        p.pop();
    }
    return 0;
}