#include <vector>
#include <iostream>
#include <string>

using namespace std;

void dump(const vector<string>& days,const vector<int>& count, int& x){
    cout << count[x-1] << " ";
    cout << days[x-1] << endl;
}

void add(vector<string>& days,vector<int>& count, int& x, string& s){
    days[x-1]+=s+" ";
    count[x-1]++;
}

void next(vector<string>& days,vector<int>& count,int& k){
    if(k%12==0){
        for(int i=28;i<31;i++){
            days[27]+=days[i]+"";
            count[27]+=count[i];
            days[i]="";
            count[i]=0;
        }
        days.resize(28);
    } else if(days.size()<31){
        days[29]+=days[30]+"";
        count[29]+=count[30];
        days[30]="";
        count[30]=0;
    } else days.resize(31);
    k++;
}

int main(){
    int q,k,x;
    string s,c;
    vector<string> days(31);
    vector<int> count(31);
    k=12;
    cin >> q;
    for(int j=0; j<q;j++){
        cin >> c;
        if(c=="NEXT"){
            next(days,count,k);
        } else{
            cin >> x;
            if(c=="DUMP"){
                dump(days,count,x);
            } else if(c=="ADD"){
                cin >> s;
                add(days,count,x,s);
            }
        }
    }
    return 0;
}