fn main() {
    // $s0
    let mut n: i32 = 0;

    // $s1
    let mut sum: i32 = 0;

    // $s2
    let mut min: i32 = 0;

    // $s3
    let mut max: i32 = 0;

    // $f2
    let mut sq_sum: f32 = 0.0;


// loop:
    for input in 1..=9 { // taking in "input"
        println!("{}", input);

        if input < 0 {
            break;
        }

        n += 1;

        if n == 1 {
            min = input;
            max = input;
        }

        sum += input;

        if input < min {
            min = input;
        }
// c1:

        if input > max {
            max = input;
        }
// c2:

        // $f2
        let mut input_f = input as f32;
        input_f = input_f * input_f;

        sq_sum = sq_sum + input_f;
    }


// results:

    // $f2
    let sum_f = sum as f32;

    // $f3
    let n_f = n as f32;

    // $f4
    let mean = sum_f / n_f;

    // $f5
    let mut v_temp = sum_f * sum_f;
    v_temp = v_temp / n_f;

    // $f6
    let mut variance = sq_sum - v_temp;
    variance = variance / n_f;

    println!("     sum: {}", sum);
    println!("     min: {}", min);
    println!("     max: {}", max);
    println!("    mean: {}", mean);
    println!("variance: {}", variance);
}