class _R(int):
    def __repr__(self):
        return "r%s"%(super(_R, self).__repr__(),)
    __str__ = __repr__
class _F(int):
    def __repr__(self):
        return "fr%s"%(super(_F, self).__repr__(),)
    __str__ = __repr__
class _V(int):
    def __repr__(self):
        return "vr%s"%(super(_V, self).__repr__(),)
    __str__ = __repr__

r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, \
    r13, r14, r15, r16, r17, r18, r19, r20, r21, r22, \
    r23, r24, r25, r26, r27, r28, r29, r30, r31 = map(_R, range(32))

fr0, fr1, fr2, fr3, fr4, fr5, fr6, fr7, fr8, fr9, fr10, fr11, fr12, \
     fr13, fr14, fr15, fr16, fr17, fr18, fr19, fr20, fr21, fr22, \
     fr23, fr24, fr25, fr26, fr27, fr28, fr29, fr30, fr31 = map(_F, range(32))

vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, vr8, vr9, vr10, vr11, vr12, vr13, \
     vr14, vr15, vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23, vr24, vr25, \
     vr26, vr27, vr28, vr29, vr30, vr31, vr32, vr33, vr34, vr35, vr36, vr37, \
     vr38, vr39, vr40, vr41, vr42, vr43, vr44, vr45, vr46, vr47, vr48, \
     vr49, vr50, vr51, vr52, vr53, vr54, vr55, vr56, vr57, vr58, vr59, vr60, \
     vr61, vr62, vr63 = map(_V, range(64))

crf0, crf1, crf2, crf3, crf4, crf5, crf6, crf7 = range(8)