BotClean

#!/usr/bin/python3

# Head ends here

def next_move(posr, posc, board):
    if board[posr][posc] == 'd':
        print('CLEAN')
        return
    
    if posr > 0 and board[posr-1][posc] == 'd':
        print('UP')
        return
    elif posr < len(board)-1 and board[posr+1][posc] == 'd':
        print('DOWN')
        return
    elif posc > 0 and board[posr][posc-1] == 'd':
        print('LEFT')
        return
    elif posc < len(board)-1 and board[posr][posc+1] == 'd':
        print('RIGHT')
        return
    else:
        for i in range(len(board)):
            for j in range(len(board)):
                if board[i][j] == 'd':
                    if i > posr:
                        print('DOWN')
                    elif i < posr:
                        print('UP')
                    elif j > posc:
                        print('RIGHT')
                    elif j < posc:
                        print('LEFT')
                    return

# 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)