zz

def findDirtySpots(board):
    return [(x.index('d'), i) for i, x in enumerate(board) if 'd' in x]
def closest_Spot(x, y, spots):
    spot_dist = [(i, j, abs(i - x) + abs(j - y)) for (i,j) in spots]
    return (min(spot_dist, key = lambda t: t[2]))[0:2]
def next_move(posr, posc, board):
    dirtySpots = findDirtySpots(board)
    c_x, c_y = closest_Spot(posc, posr, dirtySpots)
    if c_x == posc and c_y == posr:
        print("CLEAN")
    elif c_x == posc:
        print("UP" if c_y < posr else "DOWN")
    else:
        print("LEFT" if c_x < posc else "RIGHT")
# Tail starts here

if __name__ == "__main__":
    pos = [int(i) for i in input().strip().split()]
    board = [[j for j in input().strip()] for i in range(5)]
    next_move(pos[0], pos[1], board)