#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <ctime>
#include <algorithm>
using namespace std;
FILE *f=fopen("secv8.in","r");
FILE *g=fopen("secv8.out","w");
int N,M,C;
int myrand()
{
int val=rand()%10000;
return val+(!val);
}
struct treap
{
int sz;
bool lazy;
int k,p;
treap *l,*r;
treap(int key,int prio,treap *t1,treap *t2,int s)
{
k=key;
p=prio;
l=t1;
r=t2;
sz=s;
lazy=0;
}
}*T,*nill;
void refrrev(treap* &T)
{
if(T==nill||!T->lazy)return ;
swap(T->l,T->r);
T->lazy=0;
T->l->lazy^=1;
T->r->lazy^=1;
}
void refrsz(treap* &T)
{
if(T==nill)return ;
T->sz=T->l->sz+T->r->sz+1;
}
treap* join(treap* &T1,treap* &T2)
{
refrrev(T1);
refrrev(T2);
if(T1==nill)return T2;
if(T2==nill)return T1;
if(T1->p>T2->p){T1->r=join(T1->r,T2);refrsz(T1);return T1;}
T2->l=join(T1,T2->l);refrsz(T2);return T2;
}
pair<treap*,treap*> split(treap* &T,int pos)
{
refrrev(T);
if(T==nill)return {nill,nill};
pair<treap*,treap*> ans;
if(T->l->sz+1<=pos)
{
ans.first=T;
pair<treap*,treap*> aux;
aux=split(T->r,pos-T->l->sz-1);
ans.second=aux.second;
ans.first->r=aux.first;
}
else
{
ans.second=T;
pair<treap*,treap*> aux;
aux=split(T->l,pos);
ans.first=aux.first;
ans.second->l=aux.second;
}
refrsz(ans.first);
refrsz(ans.second);
return ans;
}
void ins(treap* &T,int val,int prio,int poz)
{
pair<treap*,treap*> tmp=split(T,poz-1);
treap* ceva=new treap(val,prio,nill,nill,1);
T=join(tmp.first,ceva);
T=join(T,tmp.second);
}
int fi(treap* &T,int x)
{
refrrev(T);
if(T->l->sz+1==x)return T->k;
if(T->l->sz+1>x)return fi(T->l,x);
return fi(T->r,x-T->l->sz-1);
}
void M2(int x,int y)
{
pair<treap*,treap*> tmp=split(T,y);
pair<treap*,treap*> aux=split(tmp.first,x-1);
aux.second->lazy^=1;
T=join(aux.first,aux.second);
T=join(T,tmp.second);
}
void M3(int x,int y)
{
pair<treap*,treap*> tmp=split(T,y);
pair<treap*,treap*> aux=split(tmp.first,x-1);
T=join(aux.first,tmp.second);
}
void afis(treap* &T)
{
refrrev(T);
if(T==nill)return ;
afis(T->l);
fprintf(g,"%d ",T->k);
afis(T->r);
}
int main()
{
srand(time(NULL));
T=nill=new treap(0,0,NULL,NULL,0);
fscanf(f,"%d %d\n",&N,&M);
for(int i=1;i<=N;i++)
{
int x,y;
fscanf(f,"%c",&C);
if(C=='I')
{
fscanf(f,"%d %d\n",&x,&y);
ins(T,y,myrand(),x);
}
else if(C=='A')
{
fscanf(f,"%d\n",&x);
fprintf(g,"%d\n",fi(T,x));
}
else if(C=='R')
{
fscanf(f,"%d %d\n",&x,&y);
M2(x,y);
}
else if(C=='D')
{
fscanf(f,"%d %d\n",&x,&y);
M3(x,y);
}
}
afis(T);
fclose(f);
fclose(g);
return 0;
}