mod utils;
use std::env;

fn main() {
	let args: Vec<String> = env::args().collect();
	let a:f64 = Utils.stodWithDefault(args[1], 0);
	let b:f64 = Utils.stodWithDefault(args[2], 0);
	let c:f64 = a + b;
	println!("{}", format!("{0:f} + {1:f} = {2:f}", a, b, c));
}