#include<iostream> using namespace std; int main(){ int n,a,b[100]={},max = 0,ans =0; cin>>n; for(int i =1;i<=3*n;i++){ cin>>a; b[a]++; } for(int i =1;i<=n;i++){ if(b[i]>max){ max = b[i]; ans = i; } } cout<<ans; return 0; }