- C(c) 
/usr/bin/gcc -Wall --std=c99 -o foo foo.c -lm
 - C++(cc) 
/usr/bin/g++ -Wall -std=c++14 -o foo foo.cc -lm
 - C++ 98(cc.std98) 
/usr/bin/g++ -Wall -std=c++98 -o foo foo.cc -lm
 - C++ 11(cc.std11) 
/usr/bin/g++ -Wall -std=c++11 -o foo foo.cc -lm
 - C++ 14(cc.std14) 
/usr/bin/g++ -Wall -std=c++14 -o foo foo.cc -lm
 - C++ 14 O2(cc.std14-O2) 
/usr/bin/g++ -Wall -std=c++14 -o foo foo.cc -O2 -lm
 - C++ 17(cc.std17) 
/usr/bin/g++ -Wall -std=c++17 -o foo foo.cc -lm
 - Pascal(pas) 
/usr/bin/fpc -O2 -o/w/foo foo.pas
 - Java(java) 
/usr/bin/bash -c "javac -d /w -encoding utf8 ./Main.java && jar cvf Main.jar *.class >/dev/null"
 - Python(py) 
/usr/bin/python -c "import py_compile; py_compile.compile('/w/foo.py', '/w/foo', doraise=True)" - Python 2(py.py2) 
/usr/bin/python -c "import py_compile; py_compile.compile('/w/foo.py', '/w/foo', doraise=True)" - Python 3(py.py3) 
/usr/bin/python3 -c "import py_compile; py_compile.compile('/w/foo.py', '/w/foo', doraise=True)" - PHP(php) 
/usr/bin/php foo.php
 - Rust(rs) 
/usr/bin/rustc -O -o /w/foo /w/foo.rs
 - Haskell(hs) 
/usr/bin/ghc -O -outputdir /tmp -o foo foo.hs
 - Javascript (JSC)(js) 
/usr/bin/jsc /w/foo.js
 - Golang(go) 
/usr/bin/go build -o foo foo.go
 - Ruby(rb) 
/usr/bin/ruby foo.rb
 - C#(cs) 
/usr/bin/mcs -optimize+ -out:/w/foo /w/foo.cs
 - Codeforces(codeforces) 
none
 - GNU GCC C11 5.1.0(codeforces.43) 
none
 - Clang++17 Diagnostics(codeforces.52) 
none
 - GNU G++14 6.4.0(codeforces.50) 
none
 - GNU G++17 7.3.0(codeforces.54) 
none
 - Microsoft Visual C++ 2017(codeforces.59) 
none
 - GNU G++17 9.2.0 (64 bit, msys 2)(codeforces.61) 
none
 - C# 8, .NET Core 3.1(codeforces.65) 
none
 - C# Mono 6.8(codeforces.9) 
none
 - D DMD32 v2.091.0(codeforces.28) 
none
 - Go 1.15.6(codeforces.32) 
none
 - Haskell GHC 8.10.1(codeforces.12) 
none
 - Java 11.0.6(codeforces.60) 
none
 - Java 1.8.0_241(codeforces.36) 
none
 - Kotlin 1.4.0(codeforces.48) 
none
 - OCaml 4.02.1(codeforces.19) 
none
 - Delphi 7(codeforces.3) 
none
 - Free Pascal 3.0.2(codeforces.4) 
none
 - PascalABC.NET 3.4.2(codeforces.51) 
none
 - Perl 5.20.1(codeforces.13) 
none
 - PHP 7.2.13(codeforces.6) 
none
 - Python 2.7.18(codeforces.7) 
none
 - Python 3.9.1(codeforces.31) 
none
 - PyPy 2.7 (7.3.0)(codeforces.40) 
none
 - PyPy 3.7 (7.3.0)(codeforces.41) 
none
 - Ruby 3.0.0(codeforces.67) 
none
 - Rust 1.49.0(codeforces.49) 
none
 - Scala 2.12.8(codeforces.20) 
none
 - JavaScript V8 4.8.0(codeforces.34) 
none
 - Node.js 12.6.3(codeforces.55) 
none
 - Kotlin(kt) 
echo "Invalid language selection"