#include<bits/stdc++.h>
using namespace std;
#define INIT ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll
ifstream fin("secv8.in"); ofstream fout("secv8.out");
#define cin fin
#define cout fout
struct it{
int c, p, sz;
bool b;
it* l, *r;
it(int p, int c, it*l, it*r){
this->c=c;
this->p=p;
this->l=l;
this->r=r;
this->b=false;
}
} *R;
int szof(it*&t){
if(!t){return 0;}
return (t->sz);
}
void recalc(it *&t){
if(!t){return;}
t->sz=szof(t->l)+szof(t->r)+1;
}
void push(it*&t){
if( (!t) || (!t->b) ){return;}
t->b=false;
swap(t->r, t->l);
if(t->l){t->l->b^=true;}
if(t->r){t->r->b^=true;}
}
void merge(it *&t, it *l, it*r){
push(l);
recalc(l);
push(r);
recalc(r);
if((!l) ||(!r)){
t=(l)?(l):(r); return;
}
if(l->p>r->p){
merge(l->r, l->r, r);
t=l;
}
else{
merge(r->l, l, r->l);
t=r;
}
recalc(t);
}
//l=[0, key).... r=[key, n)
void split(it*t, it*&l, it*&r, int key, int add){
if(!t){l=r=0; return;}
push(t);
recalc(t);
int cr=szof(t->l)+add;
if(key<=cr){
split(t->l, l, t->l, key, add);
r=t;
}
else{
split(t->r, t->r, r, key, cr+1);
l=t;
}
recalc(l);
recalc(r);
}
void insert(int pos,int c, it*&t){
it *t1, *newt;
newt=new it(rand(), c, NULL, NULL );
recalc(newt);
split(t, t, t1, pos, 0);
merge(t, t, newt);
merge(t, t, t1);
}
void erase(int l, int r, it*&t){
it*t1, *t2;
split(t, t, t1, l, 0);
split(t1, t1, t2, r-l+1, 0);
merge(t, t, t2);
}
void reverse(int l, int r, it*&t){
it*t1, *t2;
split(t, t, t1, l, 0);
split(t1, t1, t2, r-l+1, 0);
t1->b^=true;
merge(t1, t1, t2);
merge(t, t, t1);
}
int access(int pos, it*&t){
it*t1, *t2;
split(t, t, t1, pos, 0);
split(t1, t1, t2, 1, 0);
int res=t1->c;
merge(t1, t1, t2);
merge(t, t, t1);
return res;
}
void out(it*&t){
if(!t){return;}
push(t);
out(t->l);
cout<<t->c<<" "<<flush;
out(t->r);
}
int32_t main(){
INIT
srand((unsigned)(time(0)) );
int q; bool b0; cin>>q>>b0;
while(q--){
char o; int l, r, k, p;
cin>>o;
switch(o){
case 'I':{
cin>>p>>k;
insert(p-1, k, R);
}
break;
case 'D':{
cin>>l>>r;
erase(l-1, r-1, R);
}
break;
case 'R':{
cin>>l>>r;
reverse(l-1, r-1, R);
}
break;
case 'A':{
cin>>p;
cout<<access(p-1, R)<<"\n";
}
break;
}
//out(R); cout<<"\n";
}
out(R);
return 0;
}