#include<iostream>
using namespace std;
void char (x){
    if(x>=0&&x<=9){
        cout<<"Digit";
    }
    else if(x>='a'&&x<='z'||x>='A'&&x<='Z'){
        cout<<"Alphabet";
    }
    else{
        cout<<"Special Character";
    }
    return
}
int main(){
    char x;
    cin>>x;
    idf(x);
    return 0;
}