#include <iostream>
using namespace std;

bool f1(int a) {
	cout << "func1\n";
	return a >= 40;
}

bool f2(int a) {
	cout << "func2\n";
	return a >= 30;
}

bool f3(int a) {
	cout << "func3\n";
	return a >= 20;
}

bool f4(int a) {
	cout << "func4\n";
	return a >= 10;
}

int main() {
	int a;
	cin >> a;
	int x = (f1(a) ? 4 : f2(a) ? 3 : f3(a) ? 2 : f4(a) ? 1 : 0);
}