#include <iostream>
using namespace std;
int main()
{
int n,i = 1;
cin >> n;
do{
if (i % 2 == 1){
cout << i << " ";
}
i ++;
} while (i <= n);
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int n,i = 1;
cin >> n;
while (i <= n){
if (i % 2 == 1) {
cout << i << " ";
}
i ++;
}
return 0;
}