import java.util.*;
class point{
    int op=-1,num,key;
    String name;
    int time = 0;
    int mark = 0;
    point sdom, label, ancestor, parent, dom;
    ArrayList<point> in=new ArrayList<point>();
    ArrayList<point> out=new ArrayList<point>();
    ArrayList<point> bucket=new ArrayList<point>();

    point() {
        this.sdom = this.label = this;
        this.ancestor = this.dom = this.parent = null;
        this.in = new ArrayList<point>();
        this.out = new ArrayList<point>();
        this.bucket = new ArrayList<point>();
    }
    point(String name, int op, int num, int key){
        this.name = name;
        this.op = op;
        this.num = num;
        this.key = key;
    }
    point(String name, int num, int key){
        this.name = name;
        this.num = num;
        this.key = key;
    }
}

public class Factorial {
    public static void main(String[] args){
        HashMap<Integer, point> Map = new HashMap<Integer, point>();
        Scanner sc = new Scanner(System.in);
        int i,j,n,ans,k=0,p=0,t=1;
        char[]bufff = new char[20];
        String buff=new String();
        String buff1=new String();
        String buff2=new String();
        buff1="";
        int buf;
        buff=sc.nextLine();
        n=Integer.valueOf(buff);
        point [] graph=new point[n];
        point [] forms=new point[n];
        for(i=0;i<n;i++){
            graph[i]=new point();
            forms[i]=new point();
        }

        point bu=new point();
        for(i=0;i<n;i++){
            buff=sc.nextLine();
            p=0;
            bu.op=-1;
            for(j=0;j<buff.length();j++){
                if(buff.charAt(j)!=' '){
                    while(j<buff.length() && buff.charAt(j)!=' ')
                        bufff[k++]=buff.charAt(j++);
                }
                if(p==0){
                    for(int z=0;z<k;z++)
                        buff1+=bufff[z];
                    bu.key=Integer.valueOf(buff1);
                    buff1="";
                    p=1;
                    k=0;
                }
                else if(p==1){
                    for(int z=0;z<k;z++)
                        buff1+=bufff[z];
                    bu.name=buff1;
                    buff1="";
                    p=2;
                    k=0;
                }
                else if(p==2){
                    for(int z=0;z<k;z++)
                        buff1+=bufff[z];
                    bu.op=Integer.valueOf(buff1);
                    buff1="";
                    k=0;
                }

            }
            if(bu.name.charAt(0)=='B' ||bu.name.charAt(0)=='J') {
                Map.put(bu.key, new point(bu.name, bu.op, i, bu.key));
                forms[i].name=bu.name;
                forms[i].num=i;
                forms[i].key=bu.key;
                forms[i].op=bu.op;
            }
            else {
                Map.put(bu.key, new point(bu.name, i, bu.key));
                forms[i].name=bu.name;
                forms[i].num=i;
                forms[i].key=bu.key;
            }
            if(i+1<n && bu.name.charAt(0)!='J'){
                graph[i].out.add(graph[i+1]);
                graph[i+1].in.add(graph[i]);
            }
            graph[i].name=forms[i].name+' '+Integer.toString(forms[i].key);
        }

        for(i=0;i<n;i++){
            if(forms[i].name.charAt(0)!='A'){
                graph[forms[i].num].out.add(graph[Map.get(Map.get(forms[i].key).op).num]);
                graph[Map.get(Map.get(forms[i].key).op).num].in.add(graph[forms[i].num]);
            }
        }

        dfs(graph[0],t);
        List<point> G=new ArrayList<point>();
        for(i=0;i<n;i++){
            for(j=0;j<graph[i].in.size();j++){
                if(graph[i].in.get(j).mark==0){
                    graph[i].in.remove(j);
                }
            }
        }
        for(i=0;i<n;i++){
            if(graph[i].mark==1){
                G.add(graph[i]);
            }
        }
        Collections.sort(G, (p1, p2) -> {
            return p1.time - p2.time;
        });
        

    }
    public static void dfs(point p,int time) {
        time+=1;
        p.mark=1;
        p.time=time;
        int i;
        for(i = 0; i < p.out.size(); i++){
            if(p.out.get(i).mark != 1){
                p.out.get(i).parent=p;
                dfs(p.out.get(i),time);
            }
        }
    }
}