#include<stdio.h>
int main()
{
    int ch;
    scanf("%d",&ch);
    if(A to Z)
    {
        printf("Alphabet",ch);
    }
    else if(1 to 10)
    {
        printf("Digit",ch);
    }
    else
    {
        printf("Special character",ch);
    }
    return 0;
    }