PlayBoy

#include <cstdio>
#include <algorithm>
#include <string>
#include <iostream>
#include <cstdlib>
#include <vector>
using namespace std;

int main()
{
    int lady, luchu;
    while(cin >> lady)
    {
        int lady_array[lady];
        int i, j, k;

        for(i = 0; i < lady; i++)
            cin >> lady_array[i];

        cin >> luchu;

        int luchu_array[luchu];

        for(i = 0; i < luchu; i++)
            cin >> luchu_array[i];
        for(i = 0; i < luchu; i++)
        {
            int flag1 = 0, flag2 = 0, a, b;

            for(j = 0; j < lady; j++)
            {
                if(lady_array[j] > luchu_array[i])
                {
                    flag1 = 1;
                    b = lady_array[j];
                    break;
                }
            }
            for(k = j; k >= 0; k--)
            {
                if(lady_array[k] < luchu_array[i])
                {
                    flag2 = 1;
                    a = lady_array[k];
                    break;
                }
            }
            if(flag1 == 0) b = -1;
            if(flag2 == 0) a = -1;

            if(a == -1)
                cout << "X " << b << endl;

            else if(b == -1)
                cout << a << " X" << endl;

            else
                cout << a << ' ' << b << endl;
        }
    }

    return 0;
}