1use std::io::{self, Read};
2
3macro_rules! regex {
4    ($re:expr) => {{
5        use regex::internal::ExecBuilder;
6        ExecBuilder::new($re).build().unwrap().into_regex()
7    }};
8}
9
10fn main() {
11    let mut seq = String::with_capacity(50 * (1 << 20));
12    io::stdin().read_to_string(&mut seq).unwrap();
13    let ilen = seq.len();
14
15    seq = regex!(">[^\n]*\n|\n").replace_all(&seq, "").into_owned();
16    println!("original: {}, replaced: {}", ilen, seq.len());
17}
18