#include <bits/stdc++.h>
using namespace std;

#define int long long
#define f(i,a,b) for(int i = (a); i < (b); ++i)

signed main() {
    ios_base::sync_with_stdio(0);
    int w, h, i, j; cin >> w >> h >> i >> j;

    if (w == 1) {
        int x = j - 1;
        int y = h - j;
        if (x % 2 == 1 || y % 2 == 1) {
            cout << "win\n";
        } else {
            cout << "lose\n";
        }
    } else if (h == 1) {
        int x = i - 1;
        int y = w - i;
        if (x % 2 == 1 || y % 2 == 1) {
            cout << "win\n";
        } else {
            cout << "lose\n";
        }
    } else {
        if (w * h % 2 == 0) {
            cout << "win\n";
        } else {
            cout << "lose\n";
        }
    }
    return 0;
}