// editor4
#include<stdio.h>
int main()
{
    char ch;
    scanf("%c",&ch);
    if(isaplha(ch))
    {
        printf("Alhabet");
    }
    else if(isdigit(ch))
    {
        printf("Digit");
        
    }
    else 
    {
        printf("Special Character");
        
    }
    return 0;
    
    
    
    
    
}