| use std::error::Error; | |
| use std::io::{self, BufRead, Write}; | |
| fn main() -> Result<(), Box<dyn Error>> { | |
| let stdin = io::stdin(); | |
| let mut stdin = stdin.lock(); | |
| let mut stdout = io::BufWriter::new(io::stdout()); | |
| let mut line = String::new(); | |
| while stdin.read_line(&mut line)? > 0 { | |
| if line.contains("Dimension") { | |
| stdout.write_all(line.as_bytes())?; | |
| } | |
| line.clear(); | |
| } | |
| Ok(()) | |
| } |