#include <bits/stdc++.h>
using namespace std;
const int X=22637261;
signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	string s;
	cin >> s;
	if(s=="transmit")
	{
		int T;
		cin >> T;
		while(T--)
		{
			int n,Xor=0;
			vector <int> v;
			cin >> n;
			for(int i=1;i<=n;i++)
			{
				int x;
				cin >> x;
				v.push_back(x);
				Xor^=x;
			}
			sort(v.begin(),v.end());
			srand(Xor^X);
			random_shuffle(v.begin(),v.end());
			for(auto t:v)
				cout << t << " ";
			cout << "\n";
		}
	}
	else
	{
		int T;
		cin >> T;
		while(T--)
		{
			int n,Xor=0,a[105]={};
			cin >> n;
			int vis[505]={};
			vector <int> ans;
			for(int i=1;i<=n;i++)
			{
				int x;
				cin >> x;
				vis[x]=1;
				ans.push_back(x);
			}
			for(int i=0;i<=500;i++)
			{
				if(!vis[i])
				{
					vector <int> v=ans;
					if(i!=0) v.push_back(i);
					int Xor=0;
					for(auto t:v) Xor^=t;
					sort(v.begin(),v.end());
					srand(Xor^X);
					random_shuffle(v.begin(),v.end());
					vector <int> V;
					for(auto t:v)
						if(t!=i) V.push_back(t);
					if(V==ans)
					{
						vis[i]=1;
						break;
					}
				}
			}
			for(int i=1;i<=500;i++)
				if(vis[i]) cout << i << " ";
			cout << "\n";
		}
	}
	return 0;
}