import sys
from collections import defaultdict
map = [x.strip() for x in sys.stdin]

print(map)

Y = len(map)
X = len(map[0])
assert all(len(row) == X for row in map)

grid = {}
#start = None
#for i, row in enumerate(map):
#    for j,c in enumerate(row):
#        if c in "#.":
#            pass
#        elif c == "S":
#            start = (i,j)
#        else:
#            raise Exception("invalid char %s at (%s,%s)" % (c, i, j))
#        grid[i,j] = d

#print(grid)


def solve(grid):
    import numpy
    fill = numpy.zeros((Y,X+1), dtype='uint8')
    mask = numpy.zeros((Y,X+1), dtype='uint8')
    for i, row in enumerate(map):
        for j, c in enumerate(row):
            if c == '#':
                mask[i,j] = 1
            if c == 'S':
                start = (i,j)

    def draw(fill):
        for i, row in enumerate(fill):
            print("".join(".O#"[f + 2*mask[i,j]] for j,f in enumerate(row)))

    fill[start] = 1

    # flood fill
    for i in range(64):
        draw(fill)
        old = fill
        fill = numpy.zeros(fill.shape, dtype='uint8')
        for i in range(Y):
            f = (old[i] == 1)
            f = numpy.roll(f, 1) | numpy.roll(f, -1)
            if i > 0:    f |= (old[i-1] == 1)
            if i < Y-1:  f |= (old[i+1] == 1)
            f[-1] = False
            f &= (mask[i] == 0)
            #print(old, f)
            if f.any():
                fill[i, f] = 1

    draw(fill)

    print(numpy.sum(fill))


solve(grid)