use proconio::input;
#[allow(unused)]
use proconio::marker::*;
#[allow(unused)]
use std::collections::*;

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

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