/*
TASK:music
LANG:C++
*/
#include<iostream>
#include<cstdio>
typedef struct idol
{
 char ime[11];
 double bal;   
};
using namespace std;
int main()
{
  idol all[10000];
  int mall=0,n,m,k,i,j,J;
  cin>>n;  
  for(i=0;i<n;i++)
  {
   cin>>m;
   mall+=m;
   for(j=mall-m+1;j<mall+1;j++)  
    scanf("%s%lf",&all[j].ime,&all[j].bal);
   scanf("%d",&k);
   for(J=1;J<=mall;J++)
    for(j=J;j<=mall;j++)
     if(all[J].bal<all[j].bal)swap(all[J],all[j]);
  for(j=1;j<=k;j++)
   all[j]=all[j+k];
  mall-=k;
  
  }  
 cout<<all[1].ime;  
 printf("\n");
 return 0;
}
