from operator import sub,add,floordiv,mul import sys N=int(input()) t=floordiv(N,N) u=sub(ord("i"),ord("A")) s=add(t,t) if N==t: print("No") sys.exit() if N==s: print("Yes") sys.exit() i=s while i*i<=N: if add(N%i,N)==N: print("No") break i+=t else: print("Yes")