use  rand::Rng;

fn main() {
    let mut number:i128 = 0;
    loop {
        let rng:i128 = rand::thread_rng().gen_range(1..=1000000000000000000000000);
        println!("Do you want to add {} to the number", rng);
        println!("Your number is {}(y/n)", number);
        let mut input: String = String::new();
        std::io::stdin().read_line(&mut input).expect("Failed to read line");
        let input: String = input.trim().parse().unwrap();
        let yes:String = String::from("y");
        let no = String::from("no");
        if input == yes {
            let number = number+=rng;
        }
        else if input == no {
            
        }
        else {
            println!("Invalid input");
        }

    }

}