题解

#include <bits/stdc++.h>
using namespace std;
int main(){
char a;
cin>>a;
if(a>='A'&&a<='Z') cout<<"A";
else if(a>='a'&&a<='z') cout<<"a";
else if(a>='0'&&a<='9') cout<<"0";
else cout<<"other";
return 0;
}