#include<iostream> #include<cstring> #include<cmath> #include<iomanip> #include<queue> #include<algorithm> #include<bits/stdc++.h> using namespace std; int main(){ int n,p,q = 0,mxx = 0; int a[1001] = {0}; cin>>n; for(int i=1;i<=3*n;i++){ cin>>p; a[p]++; } for(int i=1;i<=n;i++){ if(mxx <a[i]){ mxx =a[i]; q = i; } } cout<<q; }