from heapq import heappop, heappush
from collections import defaultdict
import sys
input = sys.stdin.readline

n, m = map(int, input().split())
G = defaultdict(list)
for _ in range(m):
    s, t, d = map(int, input().split())
    s -= 1
    t -= 1
    G[s].append((t, d))

INF = 10**18
for i in range(n):
    DP = [INF for _ in range(n)]
    DP[i] = 0
    H = [(0, i)]
    while H:
        cc, ci = heappop(H)
        if cc > DP[ci]:
            continue
        for ni, dc in G[ci]:
            nc = cc + dc
            if nc >= DP[ni]:
                continue
            DP[ni] = nc
            heappush(H, (nc, ni))
    ans = 0
    for i in range(n):
        if DP[i] == INF:
            continue
        ans += DP[i]
    print(ans)