#include<bits/stdc++.h> using namespace std; int main(){ int x1,c1,x2,c2; double n1,n2; cin>>x1>>c1>>x2>>c2; n1=x1*c1; n2=x2*c2; if(n1==n2) cout<<"Equal"; if(n1>n2) cout<<"A"; if(n1<n2) cout<<"B"; return 0; }