25 lines
453 B
Lua
25 lines
453 B
Lua
require "llib"
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local inp = llib.io.readfile("1.input")
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local lines = {}
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for s in inp:gmatch("[^\r\n]+") do
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table.insert(lines, s)
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end
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local total = 0
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for _,s in pairs(lines) do
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local firstn = -1;
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local lastn = 0;
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for c in s:gmatch"." do
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if not (tonumber(c) == nil) then
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if firstn == -1 then
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firstn = tonumber(c);
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end
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lastn = tonumber(c);
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end
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end
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total = total + (firstn * 10) + lastn;
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end
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print(total)
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