#include<bits/stdc++.h>
using namespace std;
#define maxn 1024
struct STU
{int yw,sx,yy,sum;
string name;}s[maxn];
int n;
int main(){
cin>>n;
for (int i = 1; i <=n ; i++)
{cin>>s[i].name>>s[i].yw>>s[i].sx>>s[i].yy;
s[i].sum=s[i].yw+s[i].sx+s[i].yy;
}
for (int i = 1; i <=n ; i++)
{for (int j=i+1;j<=n;j++)
{if(abs(s[i].yw-s[j].yw)<=5&&abs(s[i].sx-s[j].sx)<=5&&abs(s[i].yy-s[j].yy)<=5)
    if (abs(s[i].sum-s[j].sum<=10))
    {cout<<s[i].name<<" "<<s[j].name<<endl;
    }
}
}
    return 0;
}