skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((380>=469)*(557*x3)!!(72>=x2)+(586==489))-((21-x2>=818+x3)<=(x2>=x2)+(650<=x0))<(((252&&x1)<=(703<=915))*((x2<214)<(563>=956))!=(593*x2>=401*17)+((x1+x0)-(523!=x0)))!!(((x3!!x0)+(x1!!291)==((x1!=440)!=(256<x1))!!(363==x3)+(709>=739)<=(231+656==(268>=838)))!!((x1<405)<(287!=x0))+((x1&&604)<=(x1>=997))&&((x1>=x3)==(x1<=x2)&&(x0<=739)+(942&&x2))))+(((((x1==49)==(190>=469))==((x0&&437)!=(304>324)))+((201<x0)-(221==995))*((x1<=x3)>x1-546))-(((x1!!238)+x2*x3)*((629!!72)!!(x3!!532)))*((625<=377&&533>=960)+((592<577)>=(x0>x1)))>=(((x0*x0-(305!=x3)&&877+x1>=(x2>=x1))>=((556&&733!!x2>=774)>(114*622)*(131>=87)))<((874*x0!!(757!!x1))-((560>=x3)>(x0>=x1)))*(((94==317)>=(996!!x2))!=((x1!!x0)==(x2!!x1)))))!!(((((301>=836)!=858*791)+(x1+x3>=576-x0)&&(84*121>(79!=11))<=(x3<x2)+(727!=359))>(((x2&&256)==(738&&x0)&&85*491-(747<=x2))&&(633*x2>344+x0)+((207==30)==x0+x3)))!=((((94!!x0)>=(48!=386))+(x2==x0)*(x0<=x3))+(x3-403>151-109&&(771*725)*(x0<x3))>((((x1!=x2)>=(2!!566))>=((x3!=x2)!=x3*x3))>(((x3>=x3)==7*199)>=(528>=933)*(x2<x3)))))+((((x0-443)*(507&&x2)>=(163!=x0)*(666==x3))-(((x0!!x3)<(x0<=x3))==((208!!x1)<=(x0>=x3)))>=((x2+x0<x2-x3)>=(450<=533&&248+714))-((x0==x2!!391>=129)<((x1<x2)<=(x2>=338))))!=((x1*x3+(529<x3)&&(971==x3)<(x0!!221))&&((194<x0)<=(180<x0))!=(x3<=x0)+(268+x2)!!(((210!=109)-(x2&&x1))-((x3<=x0)>=(x0>=363)))-((277-x0)*(x3>=331)<=(98<=500)-(359>404)))));
write (y)