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#include <bits/stdc++.h>
using namespace std;
const int N = 1010; //图的最大点数量
struct Edge { //记录边的终点，边权的结构体
int to; //终点
int value; //边权
};
int n, m; //表示图中有n个点，m条边
vector<Edge> p[N]; //使用vector的邻接表
/**
* 测试数据
4 6
2 1 1
1 3 2
4 1 4
2 4 6
4 2 3
3 4 5
*/
int main() {
cin >> n >> m;
//m条边
for (int i = 1; i <= m; i++) {
int u, v, l; //点u到点v有一条权值为l的边
cin >> u >> v >> l;
p[u].push_back({v, l});
}
//输出
for (int i = 1; i <= n; i++) {
printf("出发点：%d ", i);
for (int j = 0; j < p[i].size(); j++)
printf(" 目标点：%d,权值：%d;", p[i][j].to, p[i][j].value);
puts("");
return 0;
