#include<stdio.h>
int main()
{
    char ch;
    scanf("%c",&ch);
    if(Alphabet>='A' && <='Z'|| Alphabet >='a'&& <='z')
        printf("Alphabet");
    else if(Digit>='1' && '9')
        printf("Digit");
    else
        printf("Special Character");
    return 0;
    }