#include<bits/stdc++.h>
using namespace std;
const int Max = 2e6 + 1;
#define int long long
void nos()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}
int n;
bool a[Max];
void solve()
{
	cin >> n;
	for(int d=2;d*d<=n;d++)
		if(a[d] == 0)
			for(int i=d*d;i<=n;i+=d)
				a[i] = 1;
	for(int i=2;i<=50;i++)
		if(a[i] == 0)
			cout<<i<<" ";
}

int32_t main()
{
    solve();
    return 0;
}