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