fn read_line() -> String {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    s.trim().to_owned()
}

fn main() {
    let n = read_line().parse().unwrap();
    for _ in 0..n {
        let line = read_line();
        let a: i32 = line.split_whitespace().nth(0).unwrap().parse().unwrap();
        let b: i32 = line.split_whitespace().nth(1).unwrap().parse().unwrap();

        use std::cmp::Ordering;

        println!(
            "{}",
            match a.cmp(&b) {
                Ordering::Equal => '=',
                Ordering::Greater => 62u8 as char,
                Ordering::Less => 60u8 as char,
            }
        );
    }
}