P = input().split()
A, B, C = int(P[0]), int(P[1]), int(P[2])
D = B ** 2 - 4 * A * C
if D < 0:
    print('No roots')
else:
    if len(str(D ** 0.5)) < 13:
        S = str(-B) + ' +- ' + str(int(D ** 0.5))
    else:
        S = str(-B) + ' +- ' + '√' + str(D)
    print(S)
    print('———————————')
    print(2 * A)