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