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

    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::*;
        let ord = a.cmp(&b);

        println!(
            "{}",
            if ord == Equal {
                '='
            } else if ord == Greater {
                62u8 as char
            } else {
                60u8 as char
            }
        );
    }
}