@staticmethod
def d():
    (a, b, c) = map(int, sys.stdin.readline().split())

    def f(t):
        return (((a * t) + (b * np.sin(((c * t) * np.pi)))) - 100)
    print(optimize.brenth(f, 0, 200))
@staticmethod
def d():
    (a, b, c) = map(int, sys.stdin.readline().split())

    def f(t):
        return (((a * t) + (b * np.sin(((c * t) * np.pi)))) - 100)
    print(optimize.brenth(f, 0, 200))