#include <stdio.h>
int main ()
{
    char ch;
    scanf("%c",&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;
}