#include<algorithm>

#include<cmath>

#include<cstdio>

(资料图片)

#include<iostream>

using namespace std;

int main(){

double dis,bike,walk,r;

cin>>dis;

bike=27+23+dis/3.0;

walk=dis/1.2;

if(bike>walk){

cout<<"Walk";

}

else if(bike<walk){

cout<<"Bike";

}

else{

cout<<"All";

}

return 0;

}