#include<cstdio>
using namespace std;
bool flag[100001] = { 0 };
int prime[100001] = { 0 };
int L, s, n;
int main()
{
    scanf("%d", &L);
    if (L < 2) 
    {
        printf("0\n");
        return 0;
    }
    else if (L == 2) 
    {
        printf("2\n1\n");
        return 0;
    }
    for (int i = 2; i <= L; i++)
    {
        if (flag[i] == 0)
            prime[++s] = i;
        for (int j = 1; j <= s && i * prime[j] <= L; j++)
        {
            flag[i * prime[j]] = 1;
            if (i % prime[j] == 0)
                break;
        }
    }
    for (int i = 1; ; i++)
    {
        if (n < L)
        {
            printf("%d\n", prime[i]);
            n = n + prime[i];
        }
        else
        {
            printf("%d\n", i-1);
            break;
        }
    }
    return 0;
}