#include <stdio.h> int main() { int x,n; scanf("%d",&x); for(n=1;n<=x;n++) if(n%2!=0) printf("%d\n",n); return 0; }
#include <iostream> using namespace std; int main() { int x; cin >> x; if(x % 2 == 0) x -= 1; for(int i = 1; i <= x; i += 2) cout << i << endl; return 0; }