x = float(input())
y = x**3 - (5*x**2/7) + 9*x - (3/x) + 1
print("{:.3f}".format(y))
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x = float(input())
y = x**3 - (5*x**2/7) + 9*x - (3/x) + 1
print("{:.3f}".format(y))