#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; int tong[n+1]={0}; int p1,p2,p3; for(int i=1;i<=n;i++){ cin>>p1>>p2>>p3; tong[p1]++; tong[p2]++; tong[p3]++; } int bz=1; for(int j=1;j<=n;j++){ if(tong[j]>tong[bz]){ bz=j; } } cout<<bz; return 0; }