def Reacts(a, b):
    if (a == b):
        return False
    if ((a.lower() == b) or (b.lower() == a)):
        return True
    return False
def Reacts(a, b):
    if (a == b):
        return False
    if ((a.lower() == b) or (b.lower() == a)):
        return True
    return False