제출 #55659

실행 실패 (제출 코드 컴파일 에러)

Main.cpp:1:7: error: expected nested-name-specifier before ‘System’
    1 | using System;
      |       ^~~~~~
Main.cpp:5:5: error: ‘internal’ does not name a type
    5 |     internal class Program
      |     ^~~~~~~~