local n, m = io.read("*n", "*n")
local t = {}
for i = 1, n do
  t[i] = {}
  for j = 1, n do
    t[i][j] = i == j and 0 or false
  end
end
local function update(i, j, c)
  if not t[i][j] or c < t[i][j] then
    t[i][j] = c
  end
end
for i = 1, m do
  local s, t, d = io.read("*n", "*n", "*n")
  update(s, t, d)
end

for k = 1, n do
  for i = 1, n do
    for j = 1, n do
      if t[i][k] and t[k][j] then
        update(i, j, t[i][k] + t[k][j])
      end
    end
  end
end
for i = 1, n do
  local r = 0
  for j = 1, n do
    if t[i][j] then
      r = r + t[i][j]
    end
  end
  print(r)
end