#include <iostream>

using namespace std;

long long factor (int n)
{
    int factorial = 1;
    for(int i = 1; i <= n; i ++)
    {
        factorial *= i;
    }
    return factorial;
}
 long long factor2 (int n)
 {
     if (n == 0)
     {
         return 1;
     }
     else
     {
         return n * factor2(n - 1);
     }
 }

 void stack_check (int n)
 {
     cout << n << endl;
     stack_check(++ n);
 }

int main()
{
    int n = 0;
    cin >> n;
    stack_check(0);
    return 0;
}