h, w, n = gets.split.map(&:to_i)
n -= 1
a = (1..h).map { gets.split.map(&:to_i) }
t = (1..h).map { Array.new(w, 0) }
(0..h-1).each do |i|
    (0..w-1).each do |j|
        if i == 0 && j == 0
            t[i][j] = n
        end
        if a[i][j] == 0
            t[i+1][j] += (t[i][j] / 2.0).ceil  if i < h - 1
            t[i][j+1] += (t[i][j] / 2.0).floor if j < w - 1
        else
            t[i+1][j] += (t[i][j] / 2.0).floor if i < h - 1
            t[i][j+1] += (t[i][j] / 2.0).ceil  if j < w - 1
        end
    end
end
i = j = 0
loop do
    if (a[i][j] + t[i][j]).even?
        i += 1
        break if i == h
    else
        j += 1
        break if j == w
    end
end
puts [i + 1, j + 1] * ' '
