#include<iostream> using namespace std; int main() { int n, s; cin >> n; int a[100] = {0}; for (int i = 1; i <= 3 * n; i++) { cin >> s; a[s]++; } int mxx = 0, m = 0; for (int i = 0; i < n; i++) { if (mxx < a[i]) { mxx = a[i]; m = i; } } cout << m; }