read (x0); read (x1); read (x2); read (x3); y := (((((901*826>=382-906)*((x1<852)*(645==723))<((x3>x0)>=262-x0&&(x1=526)!!x2+x0<(106x1)!=((x1!!x2)!!x1!=x1)))>((((315>982)+653*425>=(x2>=x0)*(931!=x2))<=((x2&&302)+(x1>591))+(x2*895==(501>=625)))<(((514+x3!=(x1&&x3))>(455-x2&&(x0!!586)))<(((x0!=x3)<(250>x3))>((510&&516)>x1-x0)))))!=((((686+556)+(876==x1)>=(500==984!!x2+738))!=(((x1<=289)>404+8)<=((52!=912)>(415>=810))))*(((86-x2!=433*x1)!=(477-x2!=(186<=249)))>(((392>=476)>x3*4)==((x3!!x3)!=247*414)))==((((460!!82)>=(161!=2))-((160x2)))!=(((100>=x1!!x0*x3)!=(x0+x2>(x0!=508)))!=((x3>=505&&(x3&&545))<=(298*852<=(x2!=248)))))))>((((366<=x1)+(x2==52)>(x1<=x2)+(282>=402))>((x1==x3)((967<=719)>(x0==666))&&((x1<=x0)<=(x0!!x2)&&(x2>=x1!!x2!=x2)))&&(((525=680)<(274>=821))+((x3&&x0)==(x3<18)))<(((709>=x1)==(x1>x1)!!454*0&&711==x0)!=(((240>762)!=(698<=x0))==((554!=504)!=(x2!!x2))))!!(((700==121&&x0+x0)<((339&&273)!=(x2&&894)))-((787*x3<982*725)+((166>x2)<(x0((151-x1&&x3<=653)-((x2!!520)>(534==x3))>=((x0==701)-(690>x0)>=(x2>=x1)*(x3<=x2))))*((((x0&&210)>447+657)-(638-x1>=(688&&x2))!=((576!=944)-(835!!270)<=((x1!=861)==993*x1)))+(((360<=191)==(x2&&x0))>=(389==34!!103=19)))); write (y)