# coding: utf-8
# Your code here!
A=int(input())
roop=int(A**0.5)+1

judge=A%2

for i in range(3,roop):
    temp=A/i
    if i%2==0:
        if temp%1==0.5:
            #print(i)
            print("YES")
            exit()
    else:
        if temp%1==0:
            #print(i)
            print("YES")
            exit()
        
print("NO")