NUMGUESS

#include <iostream>
#include <string>

using namespace std;

int main()
{
    int a, b;
    cin >> a >> b;

    int middle;
    string ans;

    while (a <= b) {
        middle = ((a + b) / 2);

        cout << middle << endl;
        cout.flush();

        cin >> ans;
        if (ans == "WIN")
            break;
        else if (ans == "LOW")
            a = middle + 1;
        else
            b = middle - 1;
    }

    return 0;
}