#include <iostream>
using namespace std;
int main()
{
	int x, y, i = 2, min, max;
	cout << "So thu 1 = ";
	cin >> x;
	min = x; max = x;
	while (!cin.fail())
	{
		cout << "So thu " << i << " = ";
		cin >> y;
		if (y)
		{
			if (y > max) max = y;
			if (y < min) min = y;
		}
		x = y;
		i++;
	}
	cout << "So lon nhat = " << max;
	cout << "\nSo be nhat = " << min;
	return 0;
}