x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((719!=x0)<(x1&&761)!!(x1==687!!593>=491))+(((x1x0)!=(x0&&413)))!=(((x3==420&&752!=414)<((754!=x3)>=(30<=x3)))<=(x3+x0!!x1-43)+(x0>938!!800==794)))!=((((45!=877)<(211>x2)!!(237!=x1)==(x1>=x1))<=((857!!695)!!x2>x2)+(x0*x0!!391>835))<(((183!!250)-(x3>x2))-(462>=x0)*(274>450)>((843!!65)>(631!=x1))+((x1<=752)<(x2<7)))))*(((((813<=x2)>=(x0<=6))!=(x2>229&&394<=899))+((x0==x1&&x1-854)+((x0!!8)+(640-x0)))<((520!!871)*(810!!61)+(x2-x2>(704<674))==((x1<917)>(x3!=106))*((963>=988)<=(x0(x1&&x0)*(227>x3))+((953&&235)-(742-832)==((x1<=667)<(x3<734))))*((644-331)*(x0<465)&&(x0*x3)*(146<=x1)!!((133>=387)>(x3>477))-((x3==733)+(x3>=551))))-((((70!=375)<=(x1>=x3)!!(x3<=744)-(294&&316))&&(x1*127==(339>x0))==(72*x0!=486*x3))*(((890<=714!!256!=524)!!(21>x2)!=(x0!!x2))+((x2>=x2&&(260&&447))!=((x3<=998)==x2-155)))+((((667!=x3)<(x3!=x0))<((x2<1)!=x0-488))!=(((x0<=x0)==x1*0)<(301+x0<(x2>=x2)))!!(x3-x1>477-504)-(x3301)<=((831*x2>(x0&&x0))<((25==752)>x0+x3)))<((((x2=(x3==x3)!!132*x3+(x1=x1&&x0<=x2)<=((x0!=33)+(532<=796)>(153<=x1)*(221!=215))))>((((x2>=x0)>(295>895))*((141==527)<=x3+x3)==((501>=57)*(x0==651)>(255==648&&x0<=x0)))>((((x2<209)!=(867>717))==(26<106&&800=(934-x3!!884<862)-((x0>=x3)-(x2!!x2)))))); write (y)