use std::io;
 
fn main() {
    let mut input_text = String::new();
    io::stdin()
        .read_line(&mut input_text)
        .expect("failed to read from stdin");
 
    let trimmed = input_text.trim();
    let mut my_int = 0i64;
    match trimmed.parse::<i64>() {
        Ok(i) => my_int = i,
        Err(..) => println!("this was not an integer: {}", trimmed),
    };
 
    let a = "hello";
    let mut val = 1000000000000000000i64;
    for x in 1..40000003 {
    	if x == 1 {
	        val += my_int;
    	} else {
	        val += x;
    	}
    }
    println!("{}", a);
    println!("{}", val);
}
 

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1