k = int(input("k = "))
x = -3; h = 0.5
print('-------------------------')
print('|    x     |      y     |')
print('-------------------------')
for _ in range(k):
    y = (x + 2)/(x * x + 3)
    print('|',
          '{:7.2f}'.format(x), 
          ' |',
          '{:9.3f}'.format(y),
          ' |')
    x += h
print('-------------------------')

print('{:6d}'.format(k))