This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017/TeX Live for SUSE Linux) (preloaded format=latex 2020.1.13)  28 JUN 2020 23:17
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**main.tex

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Here is how much of TeX's memory you used:
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 123 string characters out of 6141327
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 3653 multiletter control sequences out of 15000+600000
 3640 words of font info for 14 fonts, out of 8000000 for 9000
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 0i,0n,0p,11b,6s stack positions out of 5000i,500n,10000p,200000b,80000s
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