#include<bits/stdc++.h> using namespace std; int main(){ double m,B_time,W_time; cin>>m; B_time=m/3+23+27; W_time=m/1.2; if(B_time>W_time){cout<<"Walk"; }else if(W_time>B_time){cout<<"Bick"; }else if(W_time==W_time){cout<<"All"; } return 0; }