#include<iostream>
using namespace std;
int main(){
	double a,b;
	cin>>a;
	double n,m;
	n=27+23+3.0*b;
	m=1.2*b;
	if(n==m)
	cout<<"All";
	if(n<m)
	cout<<"Bike";
	if(n>m)
	cout<<"Walk";
	return 0;
}