#include<bits/stdc++.h>
using namespace std;

int main(){
  int n,w,h;
  string s;
  cin>>n>>w>>h>>s;
  vector<int> c;
  int cnt=0;
  s+="l";
  for (int i=0;i<=n;i++){
    if (s[i]=='o') cnt++;
    else{
      c.push_back(cnt);
      cnt=0;
    }
  }
  vector<string> ans(h,string(w,'x'));
  for (int i=0;i<c.size();i++){
    for (int j=0;j<c[i];j++) ans[h-j-1][i]='o';
  }
  for (int i=0;i<h;i++) cout<<ans[i]<<endl;
}