#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import operator

def main():
    N = int(input())
    for _ in range(N):
        a,b = map(int, input().split())
        if a == b:
            print("=")
        elif operator.lt(a,b):
            print(chr(60))
        elif operator.gt(a,b):
            print(chr(62))

if __name__ == "__main__": main()