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use std::error::Error;
use std::io::{self, BufRead, Write};
use unicode_segmentation::UnicodeSegmentation;
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 {
let end = line
.grapheme_indices(true)
.map(|(start, g)| start + g.len())
.take(10)
.last()
.unwrap_or(line.len());
stdout.write_all(line[..end].trim_end().as_bytes())?;
stdout.write_all(b"\n")?;
line.clear();
}
Ok(())
}
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