#include <iostream>
#include <cmath>
using namespace std;

int main() {
    int r,k;
    string in;
    cin>>r>>k>>in;
    int inLen = in.size();
    string newGen;
    for(int i=0;i<k;i++){
        for(int j=0;j<inLen;j++){
            int x=0;
            if(j==0 || in[j-1]=='.'){}
            else x+=4;
            if(in[j]=='X') x+=2;
            if((j+1)==inLen || in[j+1]=='.'){}
            else x+=1;

            if(((int)::pow(2,x) & r) > 0) newGen.push_back('X');
            else newGen.push_back('.');
        }
        cout<<newGen<<"\n";
        in=newGen;
        newGen.clear();
    }
    return 0;
}