#include <bits/stdc++.h>
#define ll long long
#define ls(s) (int)s.size()
#define pb push_back
#define pp pop_back
#define ff first
#define ss second
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define rep(i,a,b) for(int i = a;i<=b;++i)
#define tr(it,v) for(auto &it:v)
using namespace std;
const int N = 55;
char a[N][N];
signed main(){
// ios::sync_with_stdio(false);cin.tie(nullptr);
int n,k;
string s;
cin >> n >> k >> s;
for(int i = 1;i<=n;++i){
for(int j = 1;j<=n;++j){
a[i][j] = '.';
}
}
int x,y;
x = y = (n + 1) >> 1;
for(auto it:s){
if(it == 'U'){
if(x - 1 > 0) x -= 1;
}
else if(it == 'D'){
if(x + 1 <= n) x += 1;
}
else if(it == 'R'){
if(y + 1 <= n) y += 1;
}
else if(it == 'L'){
if(y - 1 > 0) y -= 1;
}
else{
for(int i = 1;i<=n;++i){
for(int j = 1;j<=n;++j){
if(abs(i - x) + abs(j - y) < k){
a[i][j] = it;
}
}
}
}
}
for(int i = 1;i<=n;++i){
for(int j = 1;j<=n;++j) cout << a[i][j];
cout << endl;
}
return 0;
}