#include <iostream>
using namespace std;
int main()
{
    int x, y;
    int max = 0;
    int max2 = 0;
    cout << "x= ";
    cin >> x;
    cout << "y= ";
    cin >> y;
    int min = x % 10;
    int min2 = y % 10;
    while (x != 0 && y!=0)
    {

        if (max < x % 10)
        {
            max = x % 10;
        }
        if (min > x % 10)
        {
            min = x % 10;
        }
        x = x / 10;
        if (max2 < y % 10)
        {
            max2 = y % 10;
        }
        if (min2 > y % 10)
        {
            min2 = y % 10;
        }
        y = y / 10;
    }
    cout << max * 10 + max2 << endl;
    cout << min * 10 + min2;
    return 0;
}