#[allow(unused)]
use proconio::{input, marker::Chars};

fn main() {
    input! {
        xy: [(i32, i32); 3],
    }
    for i in 0..3 {
        for j in 0..3 {
            if i != j {
                for k in 0..3 {
                    if i != k && j != k {
                        let (ax, ay) = xy[i];
                        let (bx, by) = xy[j];
                        let (cx, cy) = xy[k];
                        let dx = ax + cx - bx;
                        let dy = ay + cy - by;
                        if let Ok((x, y)) = is_square(xy[i], xy[j], xy[k], (dx, dy)) {
                            println!("{} {}", x, y);
                            return;
                        }
                    }
                }
            }
        }
    }
    println!("-1")
}
fn is_square(
    a: (i32, i32),
    b: (i32, i32),
    c: (i32, i32),
    d: (i32, i32),
) -> Result<(i32, i32), i32> {
    if distance(a, b) == distance(b, c)
        && distance(b, c) == distance(c, d)
        && distance(c, d) == distance(a, b)
    {
        if distance(a, c) == distance(b, d) {
            if distance(a, b) > 0 {
                return Ok(d);
            }
        }
    }
    Err(-1)
}
fn distance(a: (i32, i32), b: (i32, i32)) -> i32 {
    (a.0 - b.0).abs() + (a.1 - b.1).abs()
}