同符号运算信计一班罗逸凡

z = int(input())

z = abs(z)
a = m + 10
b = m - 10
c = m * 10
if (z>0):
a = abs(a)
b = abs(b)
c = abs(c)
else:
a = -abs(a)
b = -abs(b)
c = -abs(c)
print(z,a,b,c)