#include <iostream>
using namespace std;
void function_new(int a, int b) {
cout << a << " ";
if (a > b) {
function_new(a - 1, b);
} else if (a < b) {
function_new(a + 1, b);
}
}
int main() {
int number1, number2;
cin >> number1 >> number2;
function_new(number1, number2);
}
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