import fileinput

tx, ty, hx, hy = 0, 0, 0, 0

tail_positions = set()

for line in fileinput.input():
    dir_, steps = line.split()

    dx, dy = 0, 0
    match dir_:
        case "U":
            dx, dy = 0, 1
        case "D":
            dx, dy = 0, -1
        case "L":
            dx, dy = -1, 0
        case "R":
            dx, dy = 1, 0
        case _:
            assert False

    for _ in range(int(steps)):
        hx_, hy_ = hx, hy
        hx += dx
        hy += dy
        if abs(tx - hx) > 1 or abs(ty - hy) > 1:
            tx = hx_
            ty = hy_
        # for y in range(6, -1, -1):
        #     for x in range(6):
        #         if (x, y) == (hx, hy):
        #             print("H", end="")
        #         elif (x, y) == (tx, ty):
        #             print("T", end="")
        #         elif (x, y) == (0, 0):
        #             print("s", end="")
        #         else:
        #             print(".", end="")
        #     print()
        # print()
        tail_positions.add((tx, ty))
    print("========")

print(len(tail_positions))

for y in range(10, -1, -1):
    for x in range(20):
        if (x, y) == (0, 0):
            print("s", end="")
        elif (x, y) in tail_positions:
            print("#", end="")
        else:
            print(".", end="")
    print()