package net.doorstuck.test

cout put:'Finds the sum of a set of numbers.'

sum = 0

while true do
    cout print:'Number (blank to finish): '
    cout flush

    input = ''
    v = 0
    cin get:input

    if input == '' then
        break
    end

    try
        v = Int parse:input
    catch (#err:number_format, err)
        cout put:'{input} is not a valid number.'
        continue
    end

    sum += v
end

cout put:'Sum: {sum}'