Input and bool

bin/Debug/marks.svg

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+<?xml version='1.0' encoding='UTF-8'?>
+<svg width='400' height='300' viewBox='0 0 400 300' xmlns='http://www.w3.org/2000/svg'>
+<text x='20' y='20'>3</text><rect x='50' y='0' width='210' height='30' stroke='black' fill='green' /><text x='20' y='50'>5</text><rect x='50' y='30' width='350' height='30' stroke='black' fill='red' /><text x='20' y='80'>1</text><rect x='50' y='60' width='70' height='30' stroke='black' fill='green' /></svg>

bin/Debug/marks.txt

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+9
+3 3 3 4 4 4 4 4 5
+3