On 11/2/21 3:57 PM, Ali Çehreli wrote: Here is a more idiomatic version: import std.stdio; import std.string; void main() { const x = strip(readln()); writeln(x); if (x == "hello world!") { writeln("yes"); } } The first line in main can be written with UFCS syntax as well: const x = readln.strip; Ali