[>][>][=] {c();BEGIN(REGEXPOK);return m(T_SHRBY);}
[<][<][=] {c();BEGIN(REGEXPOK);return m(T_SHLBY);}
[>][>][>][=] {c();BEGIN(REGEXPOK);return m(T_USHRBY);}
[>][>][=] {c();BEGIN(REGEXPOK);return m(T_SHRBY);}
[<][<][=] {c();BEGIN(REGEXPOK);return m(T_SHLBY);}
[>][>][>][=] {c();BEGIN(REGEXPOK);return m(T_USHRBY);}