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//~ while (clock()<=69*CLOCKS_PER_SEC)
//~ #pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O3")
//~ #pragma GCC optimize("Ofast")
//~ #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//~ #pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>

using namespace std;

using ll=long long;
using ld=long double;
using pii=pair<int, int>;
using pll=pair<ll, ll>;
using vi=vector<int>;
using vll=vector<ll>;

template<class TH> void _dbg(const char *sdbg, TH h){ cerr<<sdbg<<" = "<<h<<endl; }
#ifdef LOCAL
#define _upgrade ios_base::sync_with_stdio(0);
#define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__);
#else
#define _upgrade ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define debug(...) 98;
#define cerr if(0) cout
#endif

#define pb push_back
#define mp make_pair
#define all(x) x.begin(),x.end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second

#define erase_duplicates(x) sort(all(x)), (x).resize(distance((x).begin(), unique(all(x))));

#define watch(x) cout << (#x) << " is " << (x) << endl;

#define pow2(x) ((x)*(x))
#define mod(x, m) ((((x) % (m)) + (m)) % (m))
#define max3(a, b, c) max(a, max(b, c))
#define min3(a, b, c) min(a, min(b, c))

#define REP(i, a, b) for(int i = a; i <= b; ++i)
#define REPV(i, b, a) for(int i = b; i >= a; --i)

const double m_pi = acos(-1.0);
const int int_max = 0x3f3f3f3f;
const int M7 = 1000*1000*1000+7;
const int M9 = 1000*1000*1000+9;

int n, m;
int tab[500][500];
// int testTab[500][500];
// int test2Tab[500][500];
int newTab[500][500];
int resultTab[500][500];
pii nt[500][500];
pii pv[500][500];

void move(int arr[500][500], char dir) {
    if(dir == 'G' || dir == 'D') {
        REP(j, 0, m-1) {
            vector<int> chain;
            chain.clear();
            REP(i, 0, n-1){
                if(arr[i][j]) {
                    chain.pb(arr[i][j]);
                }
            }
            if (dir == 'G') {
                REP(i, 0, sz(chain)-1){
                    arr[i][j] = chain[i];
                }
                REP(i, sz(chain), n-1){
                    arr[i][j] = 0;
                }
            } else {
                REPV(i, n-1, n-sz(chain)){
                    arr[i][j] = chain[i-n+sz(chain)];
                }
                REPV(i, n-sz(chain)-1, 0){
                    arr[i][j] = 0;
                }
            }
        }
    } else {
        REP(i, 0, n-1) {
            vector<int> chain;
            chain.clear();
            REP(j, 0, m-1){
                if(arr[i][j]) {
                    chain.pb(arr[i][j]);
                }
            }
            if (dir == 'L') {
                REP(j, 0, sz(chain)-1){
                    arr[i][j] = chain[j];
                }
                REP(j, sz(chain), m-1){
                    arr[i][j] = 0;
                }
            } else {
                REPV(j, m-1, m-sz(chain)){
                    arr[i][j] = chain[j-m+sz(chain)];
                }
                REPV(j, m-sz(chain)-1, 0){
                    arr[i][j] = 0;
                }
            }
        }
    }
}

int main() {
    _upgrade
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    cout<<fixed<<setprecision(15);
    
    cin>>n>>m;
    REP(i,0,n-1) {
        string s;cin>>s;
        REP(j,0,m-1) {
            if(s[j] == '.') tab[i][j] = 0;
            if(s[j] == 'B') tab[i][j] = 1;
            if(s[j] == 'C') tab[i][j] = 2; 
            // testTab[i][j] = tab[i][j];
            // if(tab[i][j])test2Tab[i][j] = i + j*n+1;
        }
    }

    int q;cin>>q;
    string s;cin>>s;
    int isGD = 0;
    if(s[0] == 'G' || s[0] == 'D') {
        isGD = 1;
    }
    string result = "";
    for(int i = 0; i < q;) {
        char last = 'X';
        if (isGD) {
            while(i < q) {
                if(s[i] == 'L' || s[i] == 'P')break;
                last = s[i];
                ++i;
            }
        } else {
            while(i < q) {
                if(s[i] == 'G' || s[i] == 'D')break;
                last = s[i];
                ++i;
            }
        }
        result+=last;
        isGD = 1 - isGD;
    }

    // cout << result<<endl;

    // REP(i, 0, q-1) {
    //     move(testTab, s[i]);
    // }

    move(tab, result[0]);
    if(sz(result) >= 2) {
        move(tab, result[1]);

        // move(test2Tab, result[0]);
        // move(test2Tab, result[1]);
        // REP(i,0,n-1) {
        //     REP(j,0,m-1) {
        //         if(tab[i][j] == 0) test2Tab[i][j] = 0;
        //         else test2Tab[i][j] = i+j*n +1;
        //     }
        // }
        // REP(i, 2, sz(result)-1) {
        //     move(test2Tab, result[i]);
        // }

    } else {
        REP(i,0,n-1) {
            REP(j,0,m-1) {
                int chara = tab[i][j];
                if(chara == 1) cout<<'B';
                else if(chara == 2) cout<<'C';
                else cout <<'.';
            }
            cout << '\n';
        }
        return 0;
    }
    int startState = 0;
    if (result[0] == 'G' || result[1] == 'G') {
        if (result[0] == 'L' || result[1] == 'L') {
            startState = 0;
        } else {
            startState = 1;
        }
    } else {
        if (result[0] == 'L' || result[1] == 'L') {
            startState = 3;
        } else {
            startState = 2;
        }
    }
    int state = startState + 10'000'000;
    REP(i, 2, sz(result) -1) {
        if (state%4 == 0) {
            if(result[i] == 'P') {
                ++state;
            } else if (result[i] == 'D') {
                --state;
            }
        } else if (state%4 == 1) {
            if(result[i] == 'D') {
                ++state;
            } else if (result[i] == 'L') {
                --state;
            }
        } else if (state%4 == 2) {
            if(result[i] == 'L') {
                ++state;
            } else if (result[i] == 'G') {
                --state;
            }
        } else if (state%4 == 3) {
            if(result[i] == 'G') {
                ++state;
            } else if (result[i] == 'P') {
                --state;
            }
        }
    }
    state-=10'000'000;

    REP(i,0,n-1) {
        REP(j,0,m-1) {
            if(tab[i][j] == 0) newTab[i][j] = 0;
            else newTab[i][j] = i+j*n +1;
        }
    }
    int tempState = startState;
    REP(i, 0, 3) {
        if(tempState%4 == 0) {
            move(newTab, 'P');
        } else if(tempState%4 == 1) {
            move(newTab, 'D');
        } else if(tempState%4 == 2) {
            move(newTab, 'L');
        } else if(tempState%4 == 3) {
            move(newTab, 'G');
        }
        ++tempState;
    }
    REP(i,0,n-1) {
        REP(j,0,m-1) {
            if(newTab[i][j] != 0) {
                int val = newTab[i][j]-1;
                int x = val%n;
                int y = val/n;
                nt[i][j] = mp(x, y);
                pv[x][y] = mp(i, j);
            }
        }
    }
    int noMoves = (state - startState + 40'000'000) /4 - 10'000'000;
    // cout << "noMoves "<<noMoves<<" "<<state<<" "<<startState<<endl;
    REP(i,0,n-1) {
        REP(j,0,m-1) {
            if(resultTab[i][j] == 0 && newTab[i][j] != 0) {
                vector<pii> cycle;
                cycle.pb(mp(i,j));
                pii curr = nt[cycle[0].fi][cycle[0].se];
                while(curr != mp(cycle[0].fi, cycle[0].se)) {
                    cycle.pb(curr);
                    curr = nt[curr.fi][curr.se];
                }
                int offset = (noMoves + 10'000'000)%(sz(cycle)) - 10'000'000%(sz(cycle));
                if(offset < 0) offset += sz(cycle);
                REP(jj, 0, sz(cycle)-1) {
                    int a = cycle[(jj + offset)%(sz(cycle))].fi;
                    int b = cycle[(jj + offset)%(sz(cycle))].se;
                    resultTab[cycle[jj].fi][cycle[jj].se] = a + b*n + 1;
                }
            }
        }
    }

    state = state - noMoves*4;
    // cout <<"state "<<startState<<" "<<state<<endl;
    REP(i, startState, state-1) {
        if(i%4 == 0) {
            move(resultTab, 'P');
        } else if(i%4 == 1) {
            move(resultTab, 'D');
        } else if(i%4 == 2) {
            move(resultTab, 'L');
        } else if(i%4 == 3) {
            move(resultTab, 'G');
        }
    }

    REP(i,0,n-1) {
        REP(j,0,m-1) {
            int num = resultTab[i][j]-1;
            if (num < 0) {
                // if (0 != testTab[i][j]) cout <<"ERROR1"<<endl;
                cout << '.';
                continue;
            }
            int chara = tab[num%n][num/n];
            if(chara == 1) cout<<'B';
            else if(chara == 2) cout<<'C';
            else cout << '.';

            // if (resultTab[i][j] != test2Tab[i][j]) cout <<"!";
        }
        cout << '\n';
    }

    return 0;
}




/*
    __builtin_popcount count total set bits on a given integer
    (use __builtin_popcountll for long long).

4 6
...C..
.B.C.B
C.CB.C
.B.C..
103
DDDDDDGDGPPLPDLDPGLDPGLDPGDLPGLGPDLGDPLGDPLGDPLGPDLGPDLGPDLGDGPLDPLGLDLGPDLGPDLPDLGPDLGPDLGPDLGPDLGPDLG

4 2 .C C. BC C. 3 GDL

4 4
.BBB
.BB.
.BC.
.CCB
6
LLDLDP

43 50
CBC...C.B.....C..BC.CBC...BCC.B.BB.B...B..CB.B...B
.....BB.C.B.C.CCB.....CCC..C.CC..B..BC...BBCCBB..C
.CB.......CB.C.B.BC.C..C.B..B.....B.C...CC.B.CB.B.
.BBB.BCCC..CBBCBC.....C..B.B.CCB......CB.BC.BCC..C 
.....B.C.C..B.BBBC.C.....BCBC...CB....C.CC.C..B.B. 
B.BBCCB....BC.B...B.C.BC...BBB..CB.B...C..BCCBB..C 
.CBB...BCC....CC.CB..C.CC.C.CCB.B...BC.BBB..BB.BBC
CBC..B.....BC.C..C...B.CBC..BCCC..BB.BBBB..BB...CC
C.B...BB.B..C...C.CBBBCCBB..C.BCB..C.CC...B...BC.B 
.C..C..BB..C.C...C.C..BC.CCB...........CC....CCCBB 
BC......B..B.B.C.C.B..B..B..BB.BC.BC.CC....CB.BC.B 
....BC......C.BBBB.CB..CC..B....B..C...CB..B...C.C
BB.B.C.C.C.C..B...C......BC....BBBCBB...BB...B.... 
B..CBB...B.CB..B.B.......BCCB.C......BCC.B...C..BB 
CBB.C.B......C...BB.CBCB.B.CBCBCCCB.B.CC.C.CBC.CB. 
..C..C.B.BBC...CC....C...B..BB..BCBCCC.BBCC..CB...
.C...CB.B..BC..B.B.CC..CBCB..C........C..CB...B..C 
..C.B.BCC.CCCC.CC......C.C.CC.CBCBC.....C.BC.CBC..
C...CB......CBCB...CBCB......C..C..C..CCB.BCC.BB..
CB.BBC..C..B...B.B...C.C..BBC..BB.BB..C..B.B..B..C
.B.C.....BBB.C.B.BC.BBCC...CC..B.C..C.C.BB.B...BBC
CC..CBCBBC.B...C..BC..BBC...CB.CBB.B........C...C. 
C..C..BCCBBCC...BB......C.CC..BB.B...B.B..CBBC.BCC
.C.BCBCCC.B.C..B.B.B...BBCCCCBBCB...B.B.C..CB....C
..C..B.C..CC.C..BC.BB.CCCB.C...C..C...B..B.....B.B 
.C.B..B.BCCB.B.CCC...CB.C.C.CCC..CBCBBCBBC.BB...B.
BC..BCC.CBBBCB.C....BBB.BC.CC.C...CC..CCCCBC..CC.. 
.CB.BB.C.B..C.C.B...B.B...C.C...CBBC.CBB..BB...CBC 
B..B.BCB....BBBCB....BB.C....CB..CC..B.C......B.C. 
BCB.B.B..C..C.C.B..CCB..CC..B.BC.CBC..BB.CCBBC....
.B......C..C......CB.BB..BBC..C.BBC.CB.B.B.C.BC.B.
CCC..CBB.CBCBB.BB.....CC.CB.BCBCB.CC.C.CB.B.BB.BB.
BC..BC.BCB..C..B..CB.BCC.CC......BCC.B..C.C..B.CBB
........BB..B......CBB..B.CBBCC.CC.BCCBCCBC.BC.BB. 
...C...CC..BCCCCBB.C......CCCBB.CBCC.BB.C..BC.C..C
..BBCB...B.BC....C..C....B....CC..BBB..C..BC.B..B.
.B.....BB.B...BBB.....B..BCC..B.BCB...CBC..B...B.B 
.CCC..B.C.BBB..C.BB...CBB.BCBBBBB...BB.CC..CB..C.C 
..B.C..BCB.C..BBC.CB..CBC..B.B.B....B.C..C.BCC.CCC 
CC...C..CBCBBBCC.C.CB...C...BCB.BC..C.CBC.BBBC.CB. 
B....CB.B..B..B.C..B.B...CC..C.B.C.BC...BC.C..BCCC 
...C.CCBC.B..C.B...BB..B.C.CBC.CB...C.B.....BB..C. 
CB.CBCC.CB.B....CBB.......CC....B....C.........BCC
3
DPG

180 
DLPPPGDGGL
LGGDD
PDGDGLLDLPGDDDD
PLLLPGDDLGGDGGP
DPPPLLPPPLDDDGDGPLDGGLLPLLPGGGDPGLLGDDLPDDLGL
PLGLGPGLLDDLDPGGPPDDPDGLPPDGPDGPLGLGPDGLDLPGL
PPDLDPDGPLDGDPLPPPGDGPDLGPLLPDLGDDGGLLLLLLDLD

*/