题解

#include<cstdio>
#include<iostream>
#include<cmath>
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;
}