# Author: Steven Carr
# Last Edited: October 2021
# Calculates the two roots of a given quadratic equation
import math
import stdio
import sys

# Accept a (float), b (float), and c (float) as command-line arguments.
a = float(sys.argv[1])
b = float(sys.argv[2])
c = float(sys.argv[3])

# If a is 0, write the message 'Value of a must not be 0' to standard output.
if a == 0:
    stdio.writeln('Value of a must not be 0')

else:
    # Compute discriminant (b^2 - 4ac).
    d = ((b ** 2) - (4 * a * c))

    # If discriminant is negative, write the message 'Value of discriminant must not be
    # negative' to standard output.
    if d < 0:
        stdio.writeln('Value of discriminant must not be negative')

    else:
        # Compute the two roots of the quadratic equation ax^2 + bx + c = 0.
        sr = d ** .5
        root1 = ((-b) + sr) / (2 * a)
        root2 = ((-b) - sr) / (2 * a)

        # Write the two roots to standard output, separated by a space.
        stdio.write(root1)
        stdio.write(' ')
        stdio.writeln(root2)