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