Uses crt;
var i,n: integer;
begin clrscr;
readln(n);
for i:=1 to n do if(i mod 2<>0) then writeln(i);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n,i;
cin>>n;
for (int i=1; i<=n; i++)
if (i%2==1) cout<<i<<" ";
return 0;
}