#include<iostream> #include<map> #include<vector> #include <algorithm> #include<math.h> #include <iomanip> #include<set> #include <numeric> using namespace std; int main() { int n; string delim = ""; cin >> n; for (int i = 1; i <= n; i += 2){ cout << delim << i; delim = " "; } cout << endl; }