#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::sync::atomic::{AtomicUsize, Ordering};
static GLOBAL_THREAD_COUNT: AtomicUsize = AtomicUsize::new(0);
fn main() {
    let old_thread_count = GLOBAL_THREAD_COUNT.fetch_add(1, Ordering::Relaxed);
    println!("live threads: {}", old_thread_count + 1);
}