x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((x1<=912)<(408&&x0))+((x2-299)+503*x3))-((x0<399!!967==248)<=(x1-x0>=(x1!!x2)))!!((542*x2<(x3<=x1))>=x2*442+(x0!!261))>((x1!!504)==(300!!x0)!!(x1&&x3)!=(x1!!109)))-(((918*416<=(x0!=84))>((273&&510)>=(x3<x2))&&((318!=x2)==(x0==x0))==((x0==519)>=(310>650)))<((61==699&&x2>x1)+(x1-628&&x3+x1))+((x1+477>(x2==655))==(x2<x2)+(x2-615)))==(((((160!!89)!!942*x0)>((x0!!188)&&(x2&&767))!!(530+95<(x1<=x0))<(x2+246!=(x3==x1)))<(((x1&&x3)-(x3<=x2)>((152!!210)>=(181>x2)))<=((x0==983!!580+x0)!!x3*935<(x1<=x1))))<((((x0!=521)-(742+549)>=(563*253<=416+x2))>((327*x3>(888>x2))!=((x3!!x3)<375+x0)))<((x0-558!!x3>240)!!(198>390)>(502!!894))-((x0+654&&367<523)>((x3!=x2)>=(611>17))))))>=(((((190<x2)!=(552<=93))-(x0-x2!!322+604)<=(18*498-(974>=x3)<(x0>x1&&906<x1)))!=((((x3!!44)>=(830<=x1))<(x0*x3&&100>30))==((x1!=x3)*(x2!!x0)==(187-65!=731*x0))))-(((914==78)-791*655<=((349==406)>(928>=394)))*((x2!=x1)*(x1&&24)>((487>=x3)>=(x0>795)))<((((319>=929)>(863>612))!=(142<x0)+(99<605))<(((374!!x1)<(x2!=x2))>((601<157)<=974-681)))))*((((x1*x2!!x0+x1)>(735*578>(206>=204))&&(x3!!x0)*(x3!=x0)<=(313+512>692-256))>=(((936&&556)>=(423&&x1))<((x3&&838)<=x2*x0))+((864>=752)+(x1<=x2))*(x3+76!=289*x2))<(((x3<=x2)+(x0-x0)&&(x0<x3)>=(x0!=x0))-(((x0<=550)>(128&&x3))>(432+204&&(x0!!x1)))!=((219-188<(797==598))-(x0==x1&&549==580)<=((x1<x0)>=(144&&x1))+((355!=807)-(x2<=819)))));
write (y)