tj

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

int main()
{
    char a;
    cin>>a;
    if(a>='a'&&a<='z')
    {
        cout<<'a';
    }else if(a>='0'&&a<='9'){
        cout<<0;
    }else if(a>='A'&&a<='Z'){
        cout<<"A";
    }else{
        cout<<"other";
    }
}