use itertools::Itertools;
use proconio::input_interactive;

fn main() {
    input_interactive! {
        n:usize,
    }

    let mut t = vec![b'a'; n];
    for i in 0..n {
        let mut cnts = vec![0; 25];
        for j in 0..25 {
            t[i] = b'a' + j as u8;
            println!("? {}", t.iter().map(|ti| *ti as char).join(" "));
            input_interactive! {
                m:usize,
            }

            cnts[j] = m;
        }

        let sorted = (0..25).sorted_by_key(|&i| cnts[i]).collect::<Vec<_>>();
        if cnts[sorted[24]] != cnts[sorted[23]] {
            t[i] = b'a' + sorted[24] as u8;
        } else {
            t[i] = b'z';
        }
    }

    println!("! {}", t.iter().map(|ti| *ti as char).join(" "));
}