N=int(input())

def bise(N,l,r):
    if N==1:
        print('Yes')
        return
    while l<r:
        bi=(l+r)//2
        if bi**3>N:
            r=bi
        elif bi**3<N:
            l=bi+1
        else:
            print('Yes')
            return
    print('No')
    return

bise(N,0,N)