#38277: __py


11035093@mail.hpsh.tp.edu.tw (ಥ⁠‿⁠ಥ)


times = int(input())
for _ in range(times):
    a,b=map(int,input().split())
    if (a>b):print(">")
    elif (a<b):print("<")
    else:print("=")