/usr/bin/g++ -DEVAL -std=gnu++20 -O2 -pipe -static -s -o swap swap.cpp
/usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o swap swap.cpp
/usr/bin/javac -encoding UTF-8 swap.java /bin/sh -c echo "Main-Class: swap" > __manifest__.txt /bin/sh -c jar cfm swap.jar __manifest__.txt *.class