#include <iostream> 
using namespace std;
int main() {
	int m;
	int n;
	cout << "m = "; 
    cin >> m;
    cout << "n = "; 
    cin >> n;
    if (n < m) {
		int temp = m;
		m = n;
		n = temp;
	}
	cout << "Natural Numbers between " << m << " & " << n << ": \n";
    for (int i=m+1; i<n; i++) {
    	cout << i << endl;
	}
    return 0;
}