FIXTEH_9

cnt = 0
for i in range(-5000,5000):
    a = i

    aa = (a*a + a + 1);
    bb = (9*a + 2);
    cc = (5*a - 7);


    x1 = (-bb - (bb * bb - 4 * aa * cc)**0.5)/(2 * aa)
    x2 = (-bb + (bb * bb - 4 * aa * cc)**0.5)/(2 * aa)

    if ((abs(x1) > 1) and (abs(x2) < 1)):
        cnt +=1
print(cnt)