local sum = 0
for line in io.lines(arg[1]) do
    local n = 0
    local pos = 0
    for i = #line, 1, -1 do
        local digit = line:sub(i,i)
        if digit == "-" then
            n = n + -1 * (5^pos)
        elseif digit == "=" then
            n = n + -2 * (5^pos)
        else
            n = n + tonumber(digit) * (5^pos)
        end
        pos = pos + 1
    end
    sum = sum + n
end
sum = math.floor(sum)

local function convert(n)
    local rems = {}
    while n > 0 do
        table.insert(rems, n % 5)
        n = math.floor(n / 5)
    end
    return rems
end

local rems = convert(sum)
local ans = ""
for i, n in ipairs(rems) do
    if n == 0 or n == 1 or n == 2 then
        ans = n .. ans
    elseif n == 3 then
        ans = "=" .. ans
        rems[i+1] = rems[i+1] + 1
    elseif n == 4 then
        ans = "-" .. ans
        rems[i+1] = rems[i+1] + 1
    end
end
print(ans)