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

using namespace std;
using namespace __gnu_cxx;

class InParser {
private:
	FILE *fin;
	char *buff;
	int sp;

	char read_ch() {
		++sp;
		if (sp == 4096) {
			sp = 0;
			fread(buff, 1, 4096, fin);
		}
		return buff[sp];
	}

public:
	InParser(const char* nume) {
		fin = fopen(nume, "r");
		buff = new char[4096]();
		sp = 4095;
	}

	InParser& operator >> (int &n) {
		char c;
		while (!isdigit(c = read_ch()) && c != '-');
		int sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		} else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}

	InParser& operator >> (long long &n) {
		char c;
		n = 0;
		while (!isdigit(c = read_ch()) && c != '-');
		long long sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		} else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}

	InParser& operator >> (char &n) {
		char c;
		while(1)
        {
            c = read_ch();
            if('A' <= c && c <= 'Z')
            {
                n = c;
                return *this;
            }
        }
	}
};


signed main()
{
    InParser 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';
}