import sys
N = int(sys.stdin.readline())
M = int(sys.stdin.readline())
Map = [["."] * (M + 2)]
for i in range(N):
   Map.append(list("." + sys.stdin.readline().rstrip() + '.'))
Map.append(['.'] * (M + 2))
for y in range(1, N + 1):
  for x in range(1, M + 1):
    if Map[y][x] == '.' and (      Map[y - 1][x] == '#' or Map[y + 1][x] == '#' or      Map[y][x - 1] == '#' or Map[y][x + 1] == '#' or      Map[y - 1][x - 1] == '#' or Map[y - 1][x + 1] == '#' or      Map[y + 1][x - 1] == '#' or Map[y + 1][x + 1] == '#'):
      Map[y][x] = '*'
      cx = x
      cy = y
while True:
        sys.stdout.write(str(cy) + ' ' + str(cx) + '\n')
        Map[cy][cx] = '.'
        for dx, dy in ((-1, 0), (1, 0), (0, -1), (0, 1)):
          if Map[cy + dy][cx + dx] == '*':
            cx += dx
            cy += dy
            break
        else:
            break