#include <bits/stdc++.h>
using namespace std;

const int inf = 1e9 + 7;

int main() {
    bitset<inf> a;
    for (int i = 2; i * i < inf; i++)
        if (!a[i])
            for (int j = i * i; j < inf; j += i)
                a[j] = 1;

    for (int i = 2; i < 100; i++)
        if (!a[i])
            cout << i << " ";
}