#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,k;
cin >> n >> k;
vector<vector<pair<int,int>>> adj(n);
for(int i = 0;i < n - 1;i++){
int u,v,w;
cin >> u >> v >> w;
u --;
v --;
adj[u].push_back({v,w});
adj[v].push_back({u,w});
}
for(int i = 0;i < n;i++){
cout << i + 1 << " ";
}
cout << '\n';
return 0;
}
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