#include<stdio.h>
#include<ctype.h>
int main()
{
    char ch;
    scanf("%c",&ch);
    if(isalpha(ch))
    {
        printf("Alphabet");
    }
    else if(isdigit(ch))
    {
        printf("Digit");
    }
        else
    {
    printf("Digit");
    }
    ele
    {
        printf("Special Character");
    }
}