#include <iostream>

using namespace std;

int main(){
	
	int a;
	cin >> a;
	if (a / 3 + 50 == a / 1.2){
		cout << "All" << endl;
	}
	else if (a / 3 + 50 > a / 1.2){
		cout << "Walk" << endl;
	}
	else {
		cout << "Bike" << endl;
	}
	
 return 0;
}