def wari(x,y):
    '''returns x/y.
    :param x: int.
    :param y: int.
    :return: int
    '''
    return x / y
def kake4(kotae):
    '''take int and return it maltiplay by 4
    '''
    return kotae * 4

x = input('suuti')
y = input('suuti')
x = int(x)
y = int(y)

kotae = wari(x,y)
kotae = kake4(kotae)

print(kotae)
