#include <iostream>
#include <cstdint>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	pair<uint32_t, uint32_t> today;
	cin >> today.first >> today.second;

	constexpr pair<uint32_t, uint32_t> birthday = { 8, 22 };
	if (today < birthday) cout << "23\n";
	else cout << "24\n";

	return 0;
}