#include<bits/stdc++.h>                                                                    inlude<bits/stdc++.h>
using namespace std;
int main()
{
	double a,b,n;
	cin>>n;
	a=n/3.0+27+23;
	b=n/1.2;
	if(a<b)
	{
		cout<<("Bike\n");
	}
	else if(a==b) cout<<"All\n";
	else if(a>b) cout<<"Walk\n";
	return 0;
 }