from heapq import heappop, heappush N, M = map(int, input().split()) graph = [[] for _ in range(N)] C = dict() for _ in range(M): a, b, c = map(int, input().split()) a -= 1; b -= 1 graph[a].append((b, c)) graph[b].append((a, c)) C[a, b] = C[b, a] = c INF = 10**18 D = [INF] * 2*N hq = [(0, 0), (0, N)] while hq: d, node = heappop(hq) if D[node] != INF: continue D[node] = d if node >= N: n = node - N for nex, c in graph[n]: if D[nex+N] == INF: heappush(hq, (d+c, nex+N)) else: for nex, c in graph[node]: if D[nex] == INF: heappush(hq, (d+c, nex)) if D[nex+N] == INF: heappush(hq, (d, nex+N)) ans = [D[i]+D[i+N] for i in range(N)] print(*ans, sep='\n')