read (x0);
read (x1);
read (x2);
read (x3);
y := (((((61!!x2)<=(x2<909))<=((x3>845)>=509-140))+(((577<599)<=(751>473))>=(660+98)*(x0*261))<(((107&&832)+(x1!=751))+(x1==x1)*(x2*73)!!(x0-x0!=319*x3)*(x2&&133!!x3&&480)))+((2+x1<=(13>897))+((509==106)>(x1!!47))!=((373+x0)-(706>=513)>=((x0>887)>=x0+683))!!(((x2>=x0)<(415>=34))>((x0==314)>=(x0!!x1)))<(((x0!!780)==(x1&&x0))<=(x3==x2)-(78&&620))))*(((x2*422)*(x2>=x0)&&(914<=x3!!(x1!!x0)))*((920==x2)-(x2+x1)<=(218<=447!!324==567))+((x3!!427)<(x3>=801)!!(225>934)>x1-x3)*((4==x2)>(536!!x3)&&(812>=x3)==545+x3)<(((x3+x3!=x3-x2)-((993<=164)+(8-504)))*((899+741>(x1<=x2))*((427!!368)!=(x0==558))))*(((341<=859)<=(x2<=x3))>=((385<x2)>(x0<=x2))!!(x2+427!=(x3!!x1))==(150+x3!=(826!!x1))))-((((x2*55>(x1<=x3)&&(x2>=653)*(867<=788))<((583*x2>=(x1<831))>(241==313&&405<992)))<((((x2<=x2)<=(x2<x0))>=(308==269)*(226*x3))<=(((x1>=x3)<=(787<x2))>(x0&&x2)-(859&&365))))!=((619*x3&&(x3!!676)!!(x1>=x0)!=x3*x0)<=(((503<=532)>=(x0&&x2))>x0*x3+(x0<=x0))&&((155!!x3)+(x0>=x1)<=(x2>=76)+(219<=103))!=((641==x3)<=(x0>=858))-((373&&86)-(870>=x1)))!!(((x2<=606&&473==x1)-((127!!457)<=(14>=x2))<=((x3==990&&x0>403)!=((960<118)!=398-x2)))>((((854==351)<=994-x3)<((76!=x3)==(658==x2)))!=(((x2>=x2)<=(327<x2))<=(x1&&x3)-(x1<x1))))<=((((x3<884)<(x1&&x2))>=((x3!!79)!=(x2>101)))>(x0!=x2&&x3<147)-(x3*x1==969-x1))+((x1<=938)-(x2!=643)<=((x1&&869)>(707<x3)))*(((159<=385)>=649-964)<=((725!=x2)>220-x1)));
write (y)