题解

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