#include<stdio.h>
int main()
{
    char a;
    scanf("%c",&a);
    if(a<>='a'&7 a<='z'|| a>='A' && a<='z')
    {
        printf("Alphabet");
    }
    else if(a>'0' && a<='9')
    {
        printf("Digit");
    }
    else 
    {
        printf("Special Character");
    }
}