def ask_row_column_amount():
    """just ask row and column and amount and return it
    :returns: (row, culumn, amount)

    """
    row, column = tuple(input().split())
    rect_amount = input()
    return row, column, rect_amount


def add_rectangle(screen):
    """add a rectangle to the screen

    :screen: TODO
    :returns: TODO

    """
    x1, y1, x2, y2, char = tuple(input().split())
    for i in range(int(x1), int(x2)):
        for j in range(int(y1), int(y2)):
            screen[i][j] = char


def draw(screen):
    """draw the matrix

    :screen: TODO
    :returns: TODO

    """
    for i in screen:
        for j in i:
            print(j, end='')
        print()


def main():
    r, c, a = ask_row_column_amount()
    screen = [['.' for i in range(int(r))] for j in range(int(c))]
    for i in range(int(a)):
        add_rectangle(screen)
    draw(screen)


if __name__ == "__main__":
    main()