#include<bits/stdc++.h> using namespace std; int main () { int n; cin>>n; int people[n+1]={0}; int a,b,c; for(int i=1;i<=n;i++){ cin>>a>>b>>c; people[a]++; people[b]++; people[c]++; } int max=-1,max_i=-1; for(int i=1;i<=n;i++){ if(people[i]>max){ max=people[i]; max_i=i; } } cout<<max_i; }