n, w, h = read_line.split.map(&.to_i)
f = Array.new(h) { Array.new(w, 'x') }
x = 0
y = 0
read_line.chars.each do |ch|
  if ch == 'o'
    f[y][x] = 'o'
    y += 1
  else
    x += 1
    y = 0
  end
end
f.reverse.each { |r| puts r.join }