题解 | #相遇#

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a;
    int b;
    cin>>a>>b;
    if(a == b) cout<<'p';
    else{
        if(a == 1){
            if(b == 2) cout<<'a';
            else cout<<'b';
        }else if(a == 2){
            if(b == 3) cout<<'a';
            else cout<<'b';
        }else{
            if(b == 1) cout<<'a';
            else cout<<'b';
        }
    }
    return 0;
}