# 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; 
}