# 二平方和


def main():

    P = int(input())

    MAX = int(P**0.5) + 1

    for i in range(1,MAX):
        for j in range(i, MAX):
            if P == i**2 + j**2:
                print("Yes")
                exit()

    print("No")


if __name__ == "__main__":
    main()