#include <iostream>
using namespace std;

int main() {
	int c = getchar();
	
	switch(c) {
		case '1':
			cout << "Command 1";
			break;
		case '2':
			cout << "Command 2";
			break;
		default:
			cout << "Unknown command";
			break;
	}
	
	return 0;
}