tijie

#include<bits/stdc++.h>
using namespace std;
int main(){
    char a;
    cin>>a;
    if(a>=48&&a<=58) cout<<"0";
    else if(a>=65&&a<=91) cout<<'A';
    else if(a>=97&&a<=123) cout<<"a";
    else cout<<"other";
    return 0;
}