#include <iostream>
#include <cstdlib>
#include <time.h>
using namespace std;

int n;

int main()
{
    srand(time(NULL));
    int random;
    cin>>n;
    random = rand()%(n+1); //random between [0,n] , ((rand()%n)+1) between [1,n]
    cout<<random;
}