题解

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

return 0;

}