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