C# (Visual C# Interactive Compiler), 4744 bytes
Version reading an argument
Write(string.Join(" ",Args[0].ToList())+" ")
47 bytes
Version reading standard input
Write(string.Join(" ",ReadLine().ToList())+" ")
C# (Visual C# Interactive Compiler), 47 bytes
Write(string.Join(" ",ReadLine().ToList())+" ")
C# (Visual C# Interactive Compiler), 44 bytes
Version reading an argument
Write(string.Join(" ",Args[0].ToList())+" ")
47 bytes
Version reading standard input
Write(string.Join(" ",ReadLine().ToList())+" ")
C# (Visual C# Interactive Compiler), 47 bytes
Write(string.Join(" ",ReadLine().ToList())+" ")