Write me a single file in /app/polyglot/main.rs which is a polyglot, that is, I can run

Write me a single file in /app/polyglot/main.rs which is a polyglot, that is, I can run: a task in terminal-bench-2.0 (Harbor dataset). rustc /app/polyglot/main.rs && /app/polyglot/main N or g++ -x c++ /app/polyglot/main.rs -o /app/polyglot/cmain && /app/polyglot/cmain N .