#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n] = {0, 0, 0, 0, 0}; for (int i = 1; i <= n * 3; i++) { int b; cin >> b; a[b - 1]++; } int c = 0; for (int i = 1; i < n; i++) { if (a[i] > a[c]) { c = i; } } cout << c + 1; return 0; }