#include<bits/stdc++.h>
using namespace std;
int main(){
 	int n;
 	cin>>n;
 	if(n/1.2<23+27+n/3)
 		cout<<"Walk"<<endl;
 	if(n/1.2==23+27+n/3)
 		cout<<"All"<<endl;
 	if(23+27+n/3<n/1.2)
		cout<<"Bike"<<endl;
	return 0;
 }