#include
     
      #include
      
       #include
       
        struct news{    int lev;    int num;    bool operator <(const news a)const{        return this->lev==a.lev?this->num>a.num:this->lev
        
         >n)        {        int cut=0;        priority_queue
         
           q[4];        for(int i=0;i
          
           >str; if(str == "IN") { cut++; news so; int k; cin>>k>>so.lev; so.num=cut; q[k].push(so); } else if(str == "OUT") { int i; cin>>i; if(!q[i].empty()) { cout<
           
            <