try(BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
for(;;) {
final String line = reader.readLine();
if(line == null) break;
System.out.println(line);
}
}
BufferedReader(InputStreamReader(System.`in`)).use { reader ->
while(true) {
val line = reader.readLine() ?: break
println(line)
}
}
scanner := bufio.NewScanner(os.Stdin)
var line string
for scanner.Scan() {
line = scanner.Text()
fmt.Println(line)
}