'''

@author: jiminzi
'''

import math
def answer4():
    x = float((3 * 5)/(2 + 3))
    y = (math.sqrt(7+9))*2
    z = (4-7)**3
    w = (-19 + 100)**0.25
    u = 6 % 4
    
    print 'Answers are', x,"," ,y,",",z,",",w,",",u

if __name__ == '__main__':
    answer4()