import operator

def main():
    N = int(input())
    AB = tuple(tuple(map(int, input().split())) for _ in [0] * N)

    for a, b in AB:
        if operator.lt(a, b):
            print(chr(60))
        elif operator.gt(a, b):
            print(chr(62))
        else:
            print('=')

main()