from math import *

if 1==1 :
    print((2 * 3 + 9) / 5)

    print(31 // 5)

    print(31 % 5)

    print(31 / 5)

    print(2**3)

    print(pow(0.5, 3))

    print(sqrt(144))

    print(sin(pi/3))

print(3+7==2*5)

print(4-1==-1)

