题解

#include<iostream>
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;
}