#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <algorithm>
using namespace std;

const int INF = 0x3f3f3f3f;

class Treap {
public:
	struct Node {
		int key, val, prio, sum;
		bool rev;
		Node *left, *right;
		Node() { key = val = prio = 0; rev = false; left = right = NULL; }
		Node ( int K, int V, int P = -1, Node *L = NULL, Node *R = NULL, bool REV = false ) {
			key = K; val = V; prio = P;
			rev = REV;
			left = L; right = R;
			if (prio == -1)
				prio = rand() % (INF-1) + 1;
		}
	};
private:
	Node *root;
	bool empty;

	void rotateRight ( Node *node ) {
		Node *newRight = new Node(node->key, node->val, node->prio, node->left->right, node->right);
		Node *aux = node->left;
		node->key = node->left->key;
		node->val = node->left->val;
		node->prio = node->left->prio;
		node->left = node->left->left;
		node->right = newRight;
		delete aux;
		updateSum(node);
		updateSum(node->right);
	}
	void rotateLeft ( Node *node ) {
		Node *newLeft = new Node(node->key, node->val, node->prio, node->left, node->right->left);
		Node *aux = node->right;
		node->key = node->right->key;
		node->val = node->right->val;
		node->prio = node->right->prio;
		node->right = node->right->right;
		node->left = newLeft;
		delete aux;
		updateSum(node);
		updateSum(node->left);
	}
	void reverse ( Node *node ) {
		if (node != NULL && node->rev) {
			if (node->left != NULL) node->left->rev = !node->left->rev;
			if (node->right != NULL) node->right->rev = !node->right->rev;
			swap(node->left, node->right);
			node->rev = false;
		}
	}
	void lazyUpdate ( Node *node ) {
		reverse(node);
		if (node != NULL) reverse(node->left);
		if (node != NULL) reverse(node->right);
	}
	void updateSum ( Node *cur ) {	
		cur->sum = (cur->left != NULL ? cur->left->sum : 0) + (cur->right != NULL ? cur->right->sum : 0) + 1;
	}
public:
	Node* getRoot() { return root; }
	Node* rootIn ( Node *R ) {
		root = R;
		empty = (R == NULL);
		return root;
	}
	Treap ( Node *R = NULL ) {
		srand(unsigned(time(0)));
		rootIn(R);
	}
	void dealloc ( Node *cur ) {
		if (cur != NULL) {
			dealloc(cur->left);
			dealloc(cur->right);
			delete cur;
		}
	}
	~Treap() {
		dealloc(root);
	}

	Node* search ( int pos ) { return search(pos, root); }
	Node* search ( int pos, Node *cur ) {
		lazyUpdate(cur);
		if ((cur->left != NULL ? cur->left->sum : 0) + 1 == pos)
			return cur;
		if ((cur->left != NULL) && cur->left->sum >= pos)
			return search(pos, cur->left); else
			return search(pos - (cur->left == NULL ? 1 : cur->left->sum) - 1, cur->right);
	}

	Node* insert ( Node x ) { return insert(x, root); }
	Node* insert ( Node x, Node *cur ) {
		if (cur == NULL) {
			cur = new Node(x);
			cur->sum = 1;
			if (empty) {
				root = cur;
				empty = false;
			}
			return cur;
		}
		lazyUpdate(cur);
		if (cur->left != NULL && x.key <= cur->left->sum+1 || x.key <= 1) {
			cur->left = insert(x, cur->left);
			if (cur->prio < cur->left->prio)
				rotateRight(cur);
		} else {
			x.key -= (cur->left != NULL ? cur->left->sum : 0) + 1;
			cur->right = insert(x, cur->right);
			if (cur->prio < cur->right->prio)
				rotateLeft(cur);
		}
		updateSum(cur);
		return cur;
	}

	Node* erase ( Node *cur ) {
		lazyUpdate(cur);
		if (cur->left == NULL && cur->right == NULL) {
			if (root == cur) rootIn(NULL);
			delete cur;
			return NULL;
		}
		if ((cur->left != NULL && cur->right != NULL && cur->left->prio > cur->right->prio) || cur->right == NULL) {
			rotateRight(cur);
			cur->right = erase(cur->right);
		} else {
			rotateLeft(cur);
			cur->left = erase(cur->left);
		}
		updateSum(cur);
		return cur;
	}

	void split ( int key, Treap &T1, Treap &T2 ) {
		insert(Node(key, 0, INF));
		T1.rootIn(root->left);
		T2.rootIn(root->right);
		delete root;
		rootIn(NULL);
	}

	Node* join ( Treap &T1, Treap &T2 ) {
		Node *tmp = new Node(0,0,0, T1.getRoot(), T2.getRoot());
		updateSum(tmp);
		rootIn(tmp);
		rootIn(erase(tmp));
		T1.rootIn(NULL);
		T2.rootIn(NULL);
		return root;
	}

	Node* reverse ( int p1, int p2 ) {
		Treap T1, T2, T3, T4;
		split(p1, T1, T2);
		T2.split(p2-p1+2, T3, T4);
		T3.getRoot()->rev = true;
		T2.join(T3,T4);
		join(T1,T2);
		return root;
	}

	Node* erase ( int p1, int p2 ) {
		Treap T1, T2, T3, T4;
		split(p1, T1, T2);
		T2.split(p2-p1+2, T3, T4);
		join(T1, T4);
		return root;
	}

	void print( FILE* stream = stdout ) { print(root,stream); fprintf(stream,"\n"); }
	void print ( Node *cur, FILE* stream ) {
		lazyUpdate(cur);
		if (cur != NULL) {
			print(cur->left,stream);
			fprintf(stream,"%d ",cur->val);
			print(cur->right,stream);
		}
	}
};

int main() {
	freopen("secv8.in","rt",stdin);
	freopen("secv8.out","wt",stdout);
	
	int n;
	char op; int a,b;
	Treap T;
	
	scanf("%d %*d",&n);
	for (int i = 0; i < n; ++i) {
		scanf(" %c ",&op);
		if (op == 'I') {
			scanf("%d %d",&a,&b);
			T.insert(Treap::Node(a,b));
		} else
		if (op == 'A') {
			scanf("%d",&a);
			printf("%d\n",T.search(a)->val);
		} else
		if (op == 'R') {
			scanf("%d %d",&a,&b);
			T.reverse(a,b);
		} else
		if (op == 'D') {
			scanf("%d %d",&a,&b);
			T.erase(a,b);
		}
//		fprintf(stderr,"%c %d %d: ",op,a,b);
//		T.print(stderr);
	}
	T.print();
	return 0;
}