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