import sys

# parse
I = sys.stdin.read().splitlines()
G = [list(l) for l in I]
W = len(G[0])
H = len(G)

# look for S
S = None
for y in range(H):
    if (x := I[y].find("S")) > -1:
        S = (x,y)
        break

# encode moves
D = {
    'u': {'|': ( 0,-1,'u'), 'F': ( 1, 0,'r'), '7': (-1, 0,'l')},
    'r': {'-': ( 1, 0,'r'), 'J': ( 0,-1,'u'), '7': ( 0, 1,'d')},
    'd': {'|': ( 0, 1,'d'), 'L': ( 1, 0,'r'), 'J': (-1, 0,'l')},
    'l': {'-': (-1, 0,'l'), 'L': ( 0,-1,'u'), 'F': ( 0, 1,'d')},
}

# part 1
poly = [S]  # vertices of the polygone
x0, y0 = S
P = (x0+1, y0, 'r')  # start at S and go right
for _ in range(100_000):
    x, y, d = P
    poly.append((x,y))
    z = G[y][x]
    if z == 'S':
        break
    dx,dy,nd = D[d].get(z)
    P = (x+dx,y+dy,nd)
print(len(poly)//2)

# part 2
from matplotlib.path import Path

pg = Path(poly)

J = [['.']*W for _ in range(H)]
R = 0
for y in range(W):
    for x in range(H):
        if (x,y) in poly:
            J[y][x] = G[y][x]
        elif pg.contains_point((x,y)):
            R += 1
            J[y][x] = "O"
print(R)

# plot
J[y0][x0] = "S"
T = str.maketrans("|-LJ7F", "│─└┘┐┌")
with open("grid.txt","wt") as f:
    for row in J:
        print("".join(row).translate(T), file=f)