#define _CRT_SECURE_NO_WARNINGS
#include <vector>
#include <map>
#include <set>
#include <complex>
#include <ctime>
#include <iostream>
#include <cmath>
#include <stack>
#include <sstream>
#include <stdio.h>
#include <algorithm>
#include <queue>
#include <cstring>
#include <cassert>


const long double PI(acosl(-1.0));

#define pb push_back
#define mp(a,b) make_pair(a,b)
#define all(x) x.begin(), x.end()
#define sqr(x) ((x)*(x))
#define F first
#define S second
#define eps 1e-7
#define inf (int)(1e9+7)
#define infll (ll)(1e18+3)
#define sz(x) ((int)x.size())
#define bits(x) __builtin_popcount(x)
#define bitsl(x) __builtin_popcountll(x)


using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
typedef vector < ll > vll;
typedef vector<int> vi;
typedef pair < ll, ll > pll;
typedef pair < int, int > pii;
typedef vector<vi> vii;
typedef int huint;


set<pair<int, char>> st;

int main()
{

    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
 //  freopen("input.txt", "r", stdin);
 //  freopen("output.txt", "w", stdout);

   int n, m, p;
   cin >> n >> m >> p;

   for (int i(0); i < n; i++)
   {
       char c;
       cin >> c;
       st.insert({ i + 1,c });
   }

   auto pz = st.begin();
   for (int i(1); i < p; i++)
       pz++;
   for (int i(0); i < m; i++)
   {
       char c;
       cin >> c;
       if (c == 'R')
           pz++;
       if (c == 'L')
           pz--;
       if (c == 'D')
       {
           int s = 1;
           if (pz->S == '(')
           {
               while (s != 0)
               {
                   auto pr = pz;
                   pz++;
                   if (pz->S == '(') s++;
                   else s--;
                   st.erase(pr);
               }
               auto pr = pz;
               pz++;
               st.erase(pr);
               if (pz == st.end()) pz--;
           }
           else
           {
               while (s != 0)
               {
                   auto pr = pz;
                   pz--;
                   if (pz->S == ')') s++;
                   else s--;
                   st.erase(pr);
               }
               auto pr = pz;
               pz++;
               st.erase(pr);
               if (pz == st.end()) pz--;
           }
       }
   }

   for (auto i = st.begin(); i != st.end(); i++)
       cout << i->S;


}