#include <fstream>
#include <stdlib.h>
#include <ctime>
#define INF 2000000000
using namespace std;
ifstream fin ("secv8.in");
ofstream fout ("secv8.out");
struct treap{
int val;
int priority;
int nr;
int lazy;
treap *left;
treap *right;
treap (int val, int priority, int nr, int lazy, treap *left, treap *right){
this->val = val;
this->priority = priority;
this->nr = nr;
this->lazy = lazy;
this->left = left;
this->right = right;
}};
treap *rad,*nil;
int get_random (){
return 1LL*rand()*rand()%(INF-1)+1;
}
treap* update (treap *rad){
if (rad == nil)
rad->nr = 0;
else {
rad->nr = rad->left->nr + rad->right->nr + 1;
/// acum lazy ul
if (rad->lazy){
if (rad->left != nil)
rad->left->lazy = 1-rad->left->lazy;
if (rad->right != nil)
rad->right->lazy = 1-rad->right->lazy;
/// acum trebuie sa interschimb fiii
swap (rad->left,rad->right);
rad->lazy = 0;
}}
return rad;
}
pair <treap*,treap*> split (treap *rad, int poz){
rad = update (rad); /// mereu trb sa fac lazy ul
pair <treap*, treap*> ans;
if (rad == nil)
return make_pair(nil,nil);
if (rad->left->nr + 1 > poz){ /// o sa ma duc in stanga
ans = split (rad->left,poz);
rad->left = ans.second;
ans.second = rad;
} else {
ans = split (rad->right,poz - rad->left->nr - 1);
rad->right = ans.first;
ans.first = rad;
}
rad = update (rad);
return ans;
}
treap* join (treap *rad1, treap *rad2){
rad1 = update (rad1);
rad2 = update (rad2);
if (rad1 == nil)
return rad2;
if (rad2 == nil)
return rad1;
if (rad1->priority > rad2->priority){
/// pastrez radacina rad1 si fac join intre subarborele drept al lui rad1 si rad2
/// si treapul rezultat e tot fiul drept a lui rad1
rad1->right = join (rad1->right,rad2);
rad1 = update (rad1);
return rad1;
} else {
rad2->left = join (rad2->left,rad1);
rad2 = update (rad2);
return rad2;
}
return nil;
}
treap* _insert (treap *rad, int poz, int val){
pair <treap*,treap*> aux = split (rad,poz-1);
rad = new treap (val,get_random(),1,0,aux.first,aux.second);
rad = update (rad);
return rad;
}
treap* access (treap *rad, int nr){
pair <treap*,treap*> aux2 = split (rad,nr);
pair <treap*,treap*> aux1 = split (aux2.first,nr-1);
fout<<aux1.second->val<<"\n";
aux2.first = join (aux1.first,aux1.second);
rad = join (aux2.first,aux2.second);
return rad;
}
treap* _delete (treap *rad, int x, int y){
/// dau split de doua ori si unesc cele doua bucati
pair <treap*, treap*> aux2 = split (rad,y);
pair <treap*, treap*> aux1 = split (aux2.first,x-1);
/// acum trb sa le dau join
rad = join (aux1.first,aux2.second);
return rad;
}
treap* _reverse (treap *rad, int x, int y){
/// trb sa aflu bucata din mijloc
pair <treap*, treap*> aux2 = split (rad,y);
pair <treap*, treap*> aux1 = split (aux2.first,x-1);
/// trb sa marchez in lazy
aux1.second->lazy = 1;
/// acum trebuie sa le unesc la loc
aux2.first = join (aux1.first, aux1.second);
rad = join (aux2.first,aux2.second);
return rad;
}
void dfs (treap *rad){
rad = update (rad);
if (rad == nil)
return;
dfs (rad->left);
fout<<rad->val<<" ";
dfs (rad->right);
return;
}
int main (){
srand(time(0));
rad = nil = new treap (0,0,0,0,NULL,NULL);
int t,x,y,poz,ok;
fin>>t>>ok;
for (;t--;){
char op; fin>>op;
if (op == 'I'){
fin>>poz>>x;
rad = _insert (rad,poz,x);
continue;
}
if (op == 'A'){
fin>>x;
rad = access(rad,x);
continue;
}
if (op == 'R'){
fin>>x>>y;
rad = _reverse (rad,x,y);
//dfs (rad);
//fout<<"\n";
continue;
}
fin>>x>>y;
rad = _delete (rad,x,y);
}
dfs (rad);
return 0;
}