#include <iostream>

using std::cin;
using std::cout;
using std::endl;

int main() {
    int start = 0, end = 0, temp = 0;
    cin >> start >> end;
    if (start > end) {
        temp = start;
        start = end;
        end = temp;
    }
    while (start <= end) {
        cout << start << " ";
        ++start;
    }
    cout << endl;
}