#include <iostream>
#include <string>

using namespace std;

int main() {

	int start, end;
	cin >> start;
	cin >> end;

	for (int num = start; num <= end; num++)
	{
		int number = num;
		string numberStr = to_string(number);
		int evenSum = 0;
		int oddSum = 0;

		for (int i = 0; i < 6; i++)
		{
			int digit = numberStr[i] - 48;
			if ((i+1) % 2 == 0)
			{
				evenSum += digit;
			}
			else
			{
				oddSum += digit;
			}
		}
		if (evenSum == oddSum)
		{
			cout << number << " ";
		}

	}



	return 0;
}