read (x0); read (x1); read (x2); read (x3); y := (((((25>=x2)==833-x0)+(x3&&x1)*(3!=393)<=(((465!=520)<=(273<=x1))==(x1!!x2)*(993>x0)))==(((x3!!x2)>=(x0>x0))>(x0+x1)+(670<=602))-(((94>839)!=(x2x1)!!x2*897>=x2+x3)>((826!!x1)+770*987>=((x1!!x2)<=x0+x1)))+((x3==2&&x1==x3)+((x3-x3)-(862<887))==(x2>=532&&159>=x1!!x2=((x1=(x2!!x3)))>((x2!!259)!=x2+x0)+((279>=x2)<(797>x0)))-(((x3-x1)-(x1<=403)>((821!=x3)==(436!!x3)))>((x1>=713!!x3!=724)>=(x1-383>(x3&&x1))))!!(((801!!x2)!=x0+767)>=((x0<=886)<=(172!=29))!!((682<687)<=(838>=x0))*((436!!477)>=280-939))==(((761-x3)+(378>=246)>=(x2+x0>(268==711)))>=(((868<179)>(x1!=x1))==((x3>x2)>=x2*x1)))))-((((((x3*x1=((x0=x1)*(69*x0)))==(((x1&&x1)>(195=((x3==383)>(740<527))!!((791<=x3)>=(128176)+(441<383))))<(((((455>=312)<=(x2!=744))>=((x0==973)==(x1!=x2)))>((x1&&x1!!968-369)<(930-x1<=115+x1)))!=(((x3!!x1)<728+0)*((491=x0*x2)<((971-244)*(x3<=x3)>(989!=x2)-(456<119)))))>=(((688+x1&&(212!!857)!!636+490x1)>=(128!!525)-(952>=905))>((((106&&811)==(519>=x2))<=((x1!!944)!=(x0==x3)))==((x2>=x3)*(x1>=x2))*(x2*x0!=(17>=79))))-((((x1>=888)+x3*244<=(x3==x1!!(x0!!733)))<(((438>=x2)<(x1!!x3))==((x3&&314)<383*649)))==(((877=x1)!=(x1==x0))))); write (y)