def task8(a, b):

    def nod(x, y):
        while x != y:
            if x > y:
                x = x - y
            else:
                y = y - x
        return x

    n = nod(a, b)
    print (str((a / n)) + "/" + str((b / n)))

def task15():
    A = [random.randrange(-5, 20) for i in range(75)]
    mn = 9999
    mx = 0
    i = 0
    while i < 75:
        if A[i] < mn:
            mn = A[i]
            if A[i] > mx:
                mx = A[i]
        i = i + 1
    return (mn,mx)



def task16(a,b):
    while a != b:
        if a > b:
            a = a - b
        else:
            b = b - a
            print (a)