#include <iostream>
/*
*
* 3.1, 1.11
*
*
*/
using std::cout;
using std::cin;
using std::endl;
int main () {
int First = 0;
int Second = 0;
cin >> First >> Second;
cout << endl;
First++;
while(First < Second) {
cout << First << endl;
First++;
}
return 0;
}