def find_hypotenuse(x, y):
    import math
    if x > 0 and y > 0:
        z = x*x + y*y
        hypotenuse = math.sqrt(z)
        print(f"The hypotenuse of the triangle with side {x} and {y} is {hypotenuse}")
    else:
        print("That's not a right triangle")

find_hypotenuse(3, 4)