#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include <ext/rope>

using namespace std;
using namespace __gnu_cxx;

signed main()
{
    ifstream cin("secv8.in");
    ofstream cout("secv8.out");
    rope<int> norm, rev;
    int sz = 0;
    int n, degeaba;
    cin >> n >> degeaba;
    for(int sigma = 0; sigma < n; sigma ++)
    {
        char tip;
        cin >> tip;
        if(tip == 'I')
        {
            sz ++;
            int k, e;
            cin >> k >> e;
            norm.insert(norm.mutable_begin() + k - 1, e);
            rev.insert(rev.mutable_begin() + sz - k, e);
        }
        if(tip == 'A')
        {
            int k;
            cin >> k;
            cout << norm[k - 1] << '\n';
        }
        if(tip == 'R')
        {
            int i, j;
            cin >> i >> j;
            rope<int> s1 = norm.substr(i - 1, j - i + 1);
            rope<int> s2 = rev.substr(sz - j, j - i + 1);
            norm = norm.substr(0, i - 1) + s2 + norm.substr(j, sz - j);
            rev = rev.substr(0, sz - j) + s1 + rev.substr(sz - i + 1, i - 1);
        }
        if(tip == 'D')
        {
            int i, j;
            cin >> i >> j;
            norm.erase(i - 1, j - i + 1);
            rev.erase(sz - j, j - i + 1);
            sz -= j - i + 1;
        }
    }
    for(auto i : norm)
        cout << i << " ";
    cout << '\n';
}