#include<bits/stdc++.h> using namespace std; int arr[11]; int main(){ int n,a,b,c; cin >> n; for(int i =1;i <= n;i++){ cin >> a >> b >> c; arr[a]++; arr[b]++; arr[c]++; } int max=0,k; for(int j =1;j <= n;j++){ if(arr[j]>max){ max = arr[j]; k = j; } } cout << k; return 0; }