Problems
Find the product
Find the product
For the given positive integer n find the product
\left (1 + \dfrac{1}{1} \right ) \cdot \left (1 + \dfrac{1}{2} \right ) \cdot \ldots \cdot \left (1 + \dfrac{1}{n} \right )
Input data
One integer n\:(n \le 1000).
Output data
Print the value of the product with 6 decimal digits.
Examples
Input example #1
3
Output example #1
4.000000