int main(){
assert('↶'=='↶');
assert('↷'=='↷');
assert('⇓'=='⇓');
assert('⇊'=='&darr2;');
assert('⇃'=='⇃');
assert('⇂'=='⇂');
assert('⇚'=='⇚');
assert('↞'=='↞');
assert('⇇'=='&larr2;');
assert('↩'=='↩');
assert('↫'=='↫');
assert('↢'=='↢');
assert('↽'=='↽');
assert('↼'=='↼');
assert('⇔'=='⇔');
assert('↔'=='↔');
assert('⇆'=='&lrarr2;');
assert('⇄'=='&rlarr2;');
assert('↭'=='↭');
assert('⇌'=='&rlhar2;');
assert('⇋'=='&lrhar2;');
assert('↰'=='↰');
assert('↦'=='↦');
assert('⊸'=='⊸');
assert('↗'=='↗');
assert('⇍'=='⇍');
assert('↚'=='↚');
assert('⇎'=='⇎');
assert('↮'=='↮');
assert('↛'=='↛');
assert('⇏'=='⇏');
assert('↖'=='↖');
assert('↺'=='↺');
assert('↻'=='↻');
assert('⇛'=='⇛');
assert('↠'=='↠');
assert('⇉'=='&rarr2;');
assert('↪'=='↪');
assert('↬'=='↬');
assert('↣'=='↣');
assert('↝'=='↝');
assert('⇁'=='⇁');
assert('⇀'=='⇀');
assert('↱'=='↱');
assert('↘'=='&drarr;');
assert('↙'=='&dlarr;');
assert('⇑'=='⇑');
assert('⇈'=='&uarr2;');
assert('⇕'=='⇕');
assert('↕'=='↕');
assert('↿'=='↿');
assert('↾'=='↾');
assert('⇐'=='⟸');
assert('↔'=='⟺');
assert('↔'=='⟷');
assert('⇒'=='⟹');
return 0;
}