EX INFO ; daca se poate in acest program si executat--- https://ideone.com/

// https://ideone.com/bFnmJF
#include <iostream>
int main() {
int a, b;
std::cin >> a >> b;
if (a < b) {
int c = a;
a = b;
b = c;
}
for (int x = a; x >= b; --x)
if (x % 2 != 0)
std::cout << x << ' ';
}