#include <bits/stdc++.h>
using namespace std;
struct s
{
    int number;
    int score;
};
int main()
{
    int n,sum=0,i;
    double ave;
    s student[105];
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>student[i].number>>student[i].score;
        sum+=student[i].score;
    }
    ave=sum*1.0/n;
    for(i=1;i<=n;i++)
    {
        cout<<student[i].number<<" "<<student[i].score<<" ";
        if(student[i].score>=ave+10)cout<<"A"<<endl;
        else if(student[i].score<=ave-10)cout<<"C"<<endl;
        else cout<<"B"<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 2025
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/