新手自我修养的第一天

题解

#include <bits/stdc++.h>
using namespace std;
int main(){
	 char a;
     cin>>a;
     if(a>=97 && a<=122){
         cout<<"a";
     }else if(a>=65 && a<=90){
         cout<<"A";
     }else if(a>=48 && a<=57){
     	 cout<<"0";
     }else{
         cout<<"other";
     }
	
	
	 return 0;
}