n,x=map(int,input().split())
if x==1:
    if n==1:
        print("No")
    else:
        print("Yes")
else:
    for a in range(1,n+1):
        p=a**x
        if p>n:break
        if n%p==0 and n//p!=a:
            print("Yes")
            exit()
    print("No")