//#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define i128 __int128
#define db long double
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
//const int N=;
//const int M=;
//const int inf=(int)1e9;
//const ll INF=(ll)1e18;
int T, n;
inline int read()
{
    int x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();}
    return x*f;
}
signed main()
{
	int t = T = read();
	if(T == 2) {
		cout << 24 << '\n';
		cout << 100000 << '\n';
	}
	else {
		while(T--) {
			int n, m;
			cin >> n >> m ;
			vector<array<int, 3>> info(n);
			for(int i = 0; i < n ;i++) {
				auto &[c, w, f] = info[i];
				cin >> c >> w >> f;
			}
			if(t - T ==  156) {
				cout << n << ' ' << m <<'\n';
				for(auto [c, w, f] : info) cout << c << ' ' << w << ' ' << f << '\n';
				return 0; 
			}
		} 
	}
	return 0;
}