import math
n=int(input())
a=int(math.sin(math.pi)) 
b=(int(math.log(math.e)))
if (n==b): print('NO')
for var in range(b,n):
 if (n==int(math.e)): 
 	print('YES')
 	break
 elif(n%var!=a): 
 	continue
 else: 
 	print('NO') 
 	break