#include <iostream>
using namespace std;
int main() {
    int a = 10, b = 20;
    if (a > 5 && b < 15 || b == 20) {
        cout << "1";
    } else if (a + b > 30) {
        cout << "2";
    } else {
        cout << "3";
    }
    return 0;
}