题解

#include<bits/stdc++.h>
using namespace std;
int main() {
	char a;
	cin>>a;
	if(int(a)>=97&&int(a)<='z') {
		cout<<"a";
	} else if(int(a)>='A'&&int(a)<='Z') {
		cout<<"A";
	} else if(int(a)>='0'&&int(a)<='9') {
		cout<<"0";
	} else {
		cout<<"other";
	}
	return 0;
}