#include <bits/stdc++.h> 
using namespace std;

int main(){ 
	int n;
	cin>>n;
	if ((27+23+n/3)<(n/1.2))cout<<"Bike";
	else if((27+23+n/3)>(n/1.2))cout<<"Walk";
	else if((27+23+n/3)==(n/1.2))cout<<"All";

return 0;}

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

#include<bits/stdc++.h>

using namespace std;

int main(){

int s;

double bike,walk;

cin>>s;

bike=s/3.0+50;

walk=s/1.2;

if(bike==walk) cout<<"All";

else if(bike>walk) cout<<"walk";

else cout<<"Bike";

}