#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <algorithm>
#include <stack>
#include <queue>
using namespace std;
typedef long long ll;
const int maxn = 2e5 + 10;
vector<pair<int, int> > graph[maxn];
struct node {
    int idx;
    ll cost;
    node() {}
    node(int _idx, ll _cost) {
        idx = _idx;
        cost = _cost;
    }
    
    bool operator < (const node & tmp) const {
        return cost > tmp.cost;
    }
};
int main() {
    ios_base::sync_with_stdio(false);
    int n, m, k;
    cin >> n >> m >> k;
    
    for(int i = 0; i < m; i++) {
        int a, b, c;
        cin >> a >> b >> c;
        a--; b--;
        
        graph[a].push_back(make_pair(b, c));
    }
    
    priority_queue<node> pq;
    pq.push(node(0, 0));
    vector<int> visited(n + 1, 0);
    
    int E = n - 1;
    while(!pq.empty() and visited[E] < k) {
        node c = pq.top();
        pq.pop();
        
        visited[c.idx]++;
        if(c.idx == E) {
            cout << c.cost << " ";
        }
        if(visited[c.idx] <= k) {
            for(int i = 0; i < (int) graph[c.idx].size(); i++) {
                int neighbour = graph[c.idx][i].first;
                ll weight = graph[c.idx][i].second;
                pq.push(node(neighbour, c.cost + weight));
            }
        }
    }
    
    return 0;
}