#include <iostream>
using namespace std;

int rev(int x)
{
	int y = 0;
	for (; x; x /= 10) y = y * 10 + x % 10;
	return y;
}

int main()
{
	for (int i = 1000; i < 1200; i ++ )
		if (i * 9 == rev(i)) cout << i << endl;
	return 0;
}