/************************************************
* Author        :Running_Time
* Created Time  :2015/9/9 星期三 14:37:14
* File Name     :M.cpp************************************************/#include <cstdio>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <cstring>
#include <cmath>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <list>
#include <map>
#include <set>
#include <bitset>
#include <cstdlib>
#include <ctime>
using namespace std;#define lson l, mid, rt << 1
#define rson mid + 1, r, rt << 1 | 1
typedef long long ll;
const int N = 1e3 + 10;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
queue<int> id;
queue<int> num[N];
map<int, int> mp;
bool inq[N];
char op[11];
int n;void init(void) {while (!id.empty ())    id.pop ();for (int i=1; i<=n; ++i)    {while (!num[i].empty ())   num[i].pop ();}memset (inq, false, sizeof (inq));mp.clear ();
}int main(void)    {int cas = 0;while (scanf ("%d", &n) == 1)   {if (!n) break;init ();if (cas)    puts ("");printf ("Scenario #%d\n", ++cas);int x;for (int i=1; i<=n; ++i)    {int m;  scanf ("%d", &m);for (int j=1; j<=m; ++j)    {scanf ("%d", &x);mp[x] = i;}}scanf ("%s", &op);while (strcmp (op, "STOP")) {if (strcmp (op, "ENQUEUE") == 0)    {scanf ("%d", &x);if (!inq[mp[x]])    {inq[mp[x]] = true;id.push (mp[x]);}num[mp[x]].push (x);}else    {if (id.empty ())    continue;int fir = id.front ();printf ("%d\n", num[fir].front ()); num[fir].pop ();if (num[fir].empty ())  {inq[fir] = false;   id.pop ();}}scanf ("%s", &op);}}return 0;
}