// editor4
#include <stdio.h>
#include <cytpe.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;
}