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