x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((619<=7!!470<=769)<(x2!=x1&&970((655>726!!x3<975)-((x1==856)<=(x2!!872))!=(x3==x2!!x3<=x1)+((x0-x0)-(236<133))))==(((310=(737>63))-(747+276<(382=381)+(x0(((292==x1)>=(x0!!x2))>=((515!!605)==381*x1))-((x2<2)*(x1-x2)&&(x1!!917)!=(52==99)))<=(((106&&x0)+593*x1&&(349>=x3)>(414==348)!!((723818)==(494>=x2)-(235+99))!=(x1*157!!795<=278)+(x3<=777)*(278>x3))))+(((((((x0!=x2)!=865*420)<=((x2!!628)!=(527==886)))==((680-x1)-(833!=x3)==(912-549>=(x2==x2))))!=(((751==x3!!129<63)>=((x2>404)!=(x1!=539)))>=((863>x2)>=(x1!=648))+((164=(x3!!x0))!=((632+x0)-(815&&302)&&((561!!x3)!!59<=137)))+(((x3!=x3)!=162+x3)>((x1>=963)<=(x1!!901))&&(x2*939>=(314!!915))>=(850!!295)-(x3!!x3)))-(((((204<=x2)>923*x2)>(x3<=x3!!209>x3))<(x0-x3>=(x2>=x3)&&(x1+x1&&624!=110)))==((31>=x1&&x1<=147)-((x2<223)+(568>395))>((859==54)>=x0-x3)-(x0>860!!x2==x3))!!((((553&&350)>=(x1<877))==((x0==x0)>=(755>550))!!738*x3-(x2>101)<=(x0!=433)*(x3*x0))!!((923>=899)*(x1==481)<(x1*x3>x1-728))+((x3+x2)-(x1<597)>((x3!=676)!=x0*x2))))); write (y)