#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("Special Character");
    }
return 0;
}