def func(N):
    li=[]
    num=N
    for i in range(2,int(N**(1/2))+2):
        if num%i==0:
            si=0
            while num%i==0:
                num=num//i
                si+=1
            li.append([i,si])
    if num!=1:
        li.append([num,1])
    return li
A=int(input())
B=0
B+=A
while B%2==0:
    B//=2
if B==1:
    print("NO")
else:
    data=func(B)
    C=data[0][0]
    if A//C-(C-1)//2>=0:
        print("YES")
    else:
        print("NO")