#include <bits/stdc++.h>
using namespace std;

#ifdef LOCAL
#include "bib/debug.h"
#else
#define debug
#define cerr                                                                   \
  if (false)                                                                   \
  cerr
#endif

const long long INF = 1e16;

template <typename U = int64_t, typename T = int64_t> 
bool spfa(vector<vector<pair<int, U>>> &adj, int s, vector<T>& d, vector<int> &p) {
    int n = (int) adj.size();
    d.assign(n, INF);
    p.assign(n, -1);
    vector<int> cnt(n, 0);
    vector<bool> inqueue(n, false);
    queue<int> q;

    d[s] = 0;
    q.push(s);
    inqueue[s] = true;
    while (!q.empty()) {
        int v = q.front();
        q.pop();
        inqueue[v] = false;

        for (auto edge : adj[v]) {
            int to = edge.first;
            U len = edge.second;

            if (d[v] + len < d[to]) {
                d[to] = d[v] + len;
                p[to] = v;
                if (!inqueue[to]) {
                    q.push(to);
                    inqueue[to] = true;
                    cnt[to]++;
                    if (cnt[to] > n)
                        return false;  // negative cycle
                }
            }
        }
    }
    return true;
}

void solve(int qq) {
  int n, m;
  cin >> n >> m;
  vector<vector<pair<int, int>>> adj(4 * n);
  for (int i = 0; i < m; i++) {
    int u, v, w;
    cin >> u >> v >> w;
    u--, v--;
    for (int rep = 0; rep < 2; rep++) {
      for (int mask = 0; mask < 4; mask++) {
        adj[4 * u + mask].emplace_back(4 * v + mask, w);
        if (!(mask & 1)) {
          adj[4 * u + mask].emplace_back(4 * v + (mask | 1), w + w);
        }
        if (!(mask & 2)) {
          adj[4 * u + mask].emplace_back(4 * v + (mask | 2), w - w);
        }
        if (mask == 0) {
          adj[4 * u + mask].emplace_back(4 * v + 3, w);
        }
      }
      swap(u, v);
    }
  }

  vector<long long> dis;
  vector<int> p;
  spfa(adj, 0, dis, p);
  for (int i = 1; i < n; i++) {
    cout << dis[4 * i + 3] << ' ';
  }
  cout << '\n';
}

int32_t main(int32_t argc, char **argv) {
  ios_base::sync_with_stdio(false);
  cin.tie(0);

  int tt, qq = 0;
  tt = 1;
  while (tt--) {
    solve(++qq);
  }

  return 0;
}
