#include <stdio.h>
#define N 50
int main()
{
  int i, j;
  int n, a[N + 1];
  for (i = 0; i < N; ++i)a[i] = 1;
  printf("n = ");
  scanf("%d", &n);
  for (i = 2; i <= N; ++i)
    for (j = 2 * i; j <= N; j += i)
      a[j] = 0;
  for (i = 2; i <= N; ++i)if (a[i] == 1)printf("%d ", i);
  return 0;
}