#include <stdio.h>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;

int x;

int main () {

    freopen ("adunare.out", "w", stdout);
	printf("4544");

	fclose(stdout);

	freopen ("adunare.out", "r", stdin);
	scanf("%d",&x);

	fclose(stdin);

    freopen ("adunare.out", "w", stdout);
	printf("%d\n",x);

    return 0;
}