def suma(s):
    d = 0
    s=str(s)
    for i in s:
        g = int(i)
        d += g
    if d >= 10:
        return (suma(d))
    return (d)


n = input()
i = 0
while i < len(n):
    a = b = ''
    g = 0
    while g <= i:
        a += n[g]
        g += 1
    g = i + 1
    while g < len(n):
        b += n[g]
        g += 1
    i += 1

    sa = suma(a)
    sb = suma(b)

    if sa == sb:
        print(1)
        exit()

print(0)