QUESTION_NUMBER = 5

def ReadFile():
    for Line in open("data%s.txt"%QUESTION_NUMBER,"r"):
        for Part in Line.split():
            yield Part

Next = ReadFile().next

def WriteLine(Line):
    open("out%s.txt"%QUESTION_NUMBER,"a").write(str(Line) + "\n")
#=============

for QQ in xrange(5):
    N = int(Next())
    K = int(Next())
    
    if K%(2<<N)== (1<<N) -1:
        WriteLine("ON")
    else:
        WriteLine("OFF")