# -*- coding: utf-8 -*-
"""
Created on Mon Dec 12 22:06:53 2016

@author: apanda88
"""

x, y, z =eval(input("provide value for x:,provide value for y:,provide value for z:"))
x = -x
y = -y
z = -z
print(x, y, z)
print(-(9-20))

sum=x+y+z
x+=sum
print(x)
print(x//y ,x/y, -(z+10))