Untitled

#include <iostream>
using namespace std;
int main(){
    int a, b, c, d;
	c = 0;
	d = 0;
    cin >> a;
	for (int i = 0; i < a; i++){
		cin >> b;
		if (b == 1) c += 1;
		else d += 1;
	}
	if (c >= d) cout << d;
	else cout << c;

}