def danbi(a=5, b=10):
    dog = a + b
    print("우리집강아지는", a, b, a+b)
    return dog

def rulu(a=20, b=10):
    cat = a * b
    print("우리집거위는", a, b, a-b)
    return cat


a = 10
b = 20

# print(a, b)
print(danbi(), '뉸뉴뉴뉸뉴뉴', a, b, rulu(a, b))

