#include <stdio.h> 
int main(void) 
{ 

	int a; 

	scanf("%d", &a); 

	switch(a){ 
		case 1: 
			printf("Yes!\n"); 
			break;
		case 2: 
			printf("No!\n"); 
			break; 
		default: 
			printf("Umm...!\n"); 
			break; 
		} 
		return 0; 
}