x, y, sx, sy = map(int, input().strip().split())

if x > y:
    x, y = y, x

if x == 1 and y == 3:
    if sx % 2 == 0 or sy % 2 == 0:
        print("WIN")
    else:
        print("LOSE")
    exit()

if ((x*y-1) % 2) == 1:
    print("WIN")
else:
    print("LOSE")