x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((x3+x0<(x0<=x3))==(x0>=x2)+(986!=x2))<((x2!=794)<49-373&&(883>x3)<361+800))+(((x2*x0!!x0-591)&&(511==592)-x2*784)==((x0>=25)>267+x0)*((22!!83)==(362>x0)))!!((678=(998>=63)!!(x0&&124)+(x3!=411)<=((x0>x0)>302*x3))&&((x0==77)*(549>x1))*((596!!662)-(155==x0))+((954=x3)>(156>363!!x3*x3))>((x2>234)+(x3>x2)>=(x3-827)-(x0+x2)))==((x2-923&&(488!!557))+(x1!=808)*(x2&&x3)>=((924!!713)-(323!!x1)!!(x1!=600)>=(354>965))))!=((((268-140>=(518((((x1<=599)>x2-x3)==(535!!x0)*(x2-486))>=((404>x3)>(183>=x0))-((70&&x3)+(x0<=x2)))))==(((((x2!=x1)-(680<=291))*((486>=75)>=35-232)==((791>x0)<(x3>x3))-(842!!883)*(x1*x0))+(((x3>=753!!643==191)==(x0>=x0!!796*x0))!=((7&&x3)<=(900!=x2))-(910-387>(x3=(((808*148-(x1<=x2)<=(79==298&&266+x2))>=((x0&&x3)>=(197&&149))*((x2!!570)!=(687!!254)))<((((484>249)>x0+547)>(905<221)+(x3+x1))>=((538+301&&343-990)>((x0!=674)!=(554>707))))))>=(((((x2&&797)!=x0+x1)<=((x2&&x2)>=(x0==x3)))==((x0>=632)>(653!=427))*((x2&&x3)&&x0<=x0)&&((873!=x0!!x0>x3)>((x3&&x2)==37*435))>((895!=x2)<(x0&&x2))+((x1>x1)!=(991!!x2)))>((((584!=x1)*(x0==931)!!x1-x2<=(140((x1