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#include <bits/stdc++.h>
using namespace std;
int main(){
int m,n;
cin>>m >>n;
int V[n][m];
for(int i = 0; i < m;i++){
    string W;
    cin>>W;
    for(int j = 0; j < W.size();j++){
        if(W[j] == 'C'){
        V[i][j] = 2;
        }
        if(W[j] == 'B'){
            V[i][j] = 1;
        }
        if(W[j] == '.'){
            V[i][j] = 0;
        }
    }
}
/*

*/


int a;
cin>>a;
string W;
cin>>W;
for(int i = 0; i < W.size();i++){
    if(W[i] == 'D'){
        for(int i = n - 1;i >= 0;i--){
    for(int j = 0; j < m;j++){
        if(V[i][j] == 1 || V[i][j] == 2){
            int z = i;
            while(z + 1 < n && V[z + 1][j] == 0){
                V[z + 1][j] = V[z][j];
                V[z][j] = 0;
                z++;
            }
        }
    }
}
    }
    if(W[i] == 'L'){
        for(int i = 0 ;i < n;i++){
    for(int j = m - 1; j >= 0;j--){
        if(V[i][j] == 1 || V[i][j] == 2){
            int z = j;
            while(z + 1 < m && V[i][z + 1] == 0){
                V[i][z + 1] = V[i][z];
                V[i][z] = 0;
                z++;
            }
        }
    }
        }
    }
    if(W[i] == 'P'){
        for(int i = 0 ;i < n;i++){
    for(int j = 0; j < m;j++){
        if(V[i][j] == 1 || V[i][j] == 2){
            int z = j;
            while(z + 1 < m && V[i][z + 1] == 0){
                V[i][z + 1] = V[i][z];
                V[i][z] = 0;
                z++;
            }
        }
    }
    }
    }
    if(W[i] == 'G'){
        for(int i = 0;i < n;i++){
    for(int j = 0; j < m;j++){
        if(V[i][j] == 1 || V[i][j] == 2){
            int z = i;
            while(z - 1 >= 0 && V[z - 1][j] == 0){
                V[z - 1][j] = V[z][j];
                V[z][j] = 0;
                z--;
            }
        }
    }
}
}
}
for(int i = 0;i < m;i++){
    for(int j = 0; j < n;j++){
        if(V[i][j] == 0){
            cout<<".";
        }
        if(V[i][j] == 1){
            cout<<"B";
        }
        if(V[i][j] == 2){
            cout<<"C";
        }
    }
    cout<<"\n";

}
}