# 乱択解法（最初のコピーのみ）

import random
import sys


def main() -> None:
    n, t = map(int, sys.stdin.readline().split())
    board = [list(map(int, sys.stdin.readline().split())) for _ in range(n)]

    x, y = 0, 0
    s_val = 0
    ops: list[str] = []
    ops.append("C")
    s_val = board[x][y]

    while len(ops) < t:
        directions = []
        if x > 0:
            directions.append("U")
        if x + 1 < n:
            directions.append("D")
        if y > 0:
            directions.append("L")
        if y + 1 < n:
            directions.append("R")

        if directions:
            move = random.choice(directions)
            ops.append(move)
            if move == "U":
                x -= 1
            elif move == "D":
                x += 1
            elif move == "L":
                y -= 1
            elif move == "R":
                y += 1
        else:
            # No available moves; should not happen on a valid board
            break

        if len(ops) >= t:
            break

        new_val = board[x][y] ^ s_val
        if new_val > board[x][y]:
            ops.append("W")
            board[x][y] = new_val

    sys.stdout.write("\n".join(ops) + "\n")


if __name__ == "__main__":
    main()