#include <iostream>
using namespace std;
int main()
{
	float n;
	int k = 0;
	cout << "n="; cin >> n;
	if (n > 0)
	{
		while (n >= 1)
		{
			n = n - 1;
			k++;
		}
		cout << k;
	}
	else
		if (n < 0)
		{
			while (n < 0)
			{
				n = n + 1;
				k++;
			}
			cout << -k;
		}


	return 0;
}