use std::collections::HashSet;

fn next_permutation(lists: &mut Vec<usize>) -> bool {
  let mut n = lists.len();
  let mut i: usize = n - 1;
  while i >= 1 && lists[i - 1] > lists[i] {
    i -= 1;
  }

  if i == 0 { return false; }
  let mut j: usize = i;

  while j + 1 < n && lists[i - 1] < lists[j + 1] {
    j += 1;
  }
  lists.swap(i-1, j);

  n -= 1;
  while n > i {
    lists.swap(i, n);
    i += 1;
    n -= 1;
  }

  true
}

fn main() {
    let mut asks: Vec<usize> = vec![0,1,2,3];
    let mut fixed: HashSet<usize> = HashSet::new();
    println!("{} {} {} {}", asks[0], asks[1], asks[2], asks[3]);
    let mut xy = String::new();
    std::io::stdin().read_line(&mut xy).ok();
    let mut prev: usize = xy.trim().split_whitespace().map(|s| s.parse::<usize>().unwrap()).sum();
    let mut rank: usize = 3;
    let mut unused: HashSet<usize> = HashSet::new();
    (4..9).for_each(|i| { unused.insert(i); });
    let mut stacked: Vec<usize> = vec![];
    loop {
        println!("{} {} {} {}", asks[0], asks[1], asks[2], asks[3]);
        let mut xy = String::new();
        std::io::stdin().read_line(&mut xy).ok();
        let xy: Vec<usize> = xy.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
        let x = xy[0];
        let y = xy[1];

        if x == 4 && y == 0 {
            return;
        }
        if x + y == 4 { 
            break;
        }
        if x + y != prev {
            if x + y > prev {
                fixed.insert(asks[rank]);
            } else {
                match rank {
                    3 => {
                        fixed.insert(asks[3] - 1);
                        stacked.iter().for_each(|i| { fixed.insert(*i); });
                    },
                    _ => {
                        fixed.insert(rank);
                        asks[rank] = rank;
                    },
                }
            }
            stacked = vec![];
            if rank == 3 {
                prev = x + y;
            }
        } else {
            if rank == 3 && asks[3] > 3 {
                stacked.push(asks[3] - 1);
            }
        }
        if fixed.len() == 4 {
            asks = fixed.iter().map(|i| *i).collect();
            break;
        }
        if rank == 3 {
            if asks[3] < 9 {
                asks[3] += 1;
            } else {
                rank -= 1;
                asks[rank] = *unused.difference(&fixed).max().unwrap();
            }
        } else {
            asks[rank] = rank;
            rank -= 1;
            asks[rank] = *unused.difference(&fixed).max().unwrap();
        }
    }
    asks.sort();
    loop {
        println!("{} {} {} {}", asks[0], asks[1], asks[2], asks[3]);
        let mut xy = String::new();
        std::io::stdin().read_line(&mut xy).ok();
        let xy: Vec<usize> = xy.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
        let x = xy[0];
        let y = xy[1];
        if x == 4 && y == 0 {
            return;
        }
        next_permutation(&mut asks);
    }
}