use proconio::{input, marker::Chars};

fn main() {
    input! {
        n: usize, w: usize, h: usize,
        s: Chars,
    }

    let mut ans = vec![vec!['x'; w]; h];
    let (mut i, mut j) = (0, 0);
    for &s in &s {
        if s == 'o' {
            ans[i][j] = 'o';
            i += 1;
        } else {
            i = 0;
            j += 1;
        }
    }

    for row in ans.iter().rev() {
        let row = row.iter().collect::<String>();
        println!("{row}");
    }
}