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

bool primenumberjudge(int n);

int main(){
    int n;
    int judge = 0;
    cin >> n;
    for(int i = 2; i < n; i++){
        if(i % 10 == 1){
            if(primenumberjudge(i)){
                cout << i << " ";
                judge = 1;
            }
        }
    }
    if(judge == 0)
        cout << -1;

    return 0;
}

bool primenumberjudge(int n){
    for(int i = 2; i <= sqrt(n); i++)
        if(n % i == 0)  return false;
    return true;
}