x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((x2&&x2)-(x3!!x1))*((x2>x1)>(x0>516))!!((257<x1)==x3*x2)-(274*x1&&x0+894))==((222*172<=(x2<921)&&(202>=53!!426*320))>=(((212!=641)>=327+686)<=(x3==x3)+(88<x1))))==((((501>99)*(648>x1)==(164+x1!!657==240))>=((x0-x2>=(618>888))<=(x1&&x2)+x2*401))>(((x2<=x3)<=x1*326)-(829-574<=(x1>=x3))==((577>=480)+(x0==234)==((923<=x1)==(x0!!x0)))))&&(((x1==x2&&816>533)!=(71-131)*(x3&&x0)!!(x0!!x2)>=(x2==x2)&&(470!=591&&x3>708))<=(((915+489!=437-x0)==(x1>=x0)+(586&&x0))<((0&&363)&&x2-198!!(x2<x0)==x0-x2)))>=((x3+x3!=(x1&&306))-((x3!=x1)>(x0>794))!=(((129==x2)==(x1<x0))==x1*x3-(885==396)))*((((x0&&x2)<=(137<663))!=(x1*x3!=(184==x2)))!=(((710==x3)<(459<x1))!=((x1!=518)==(x0!!x1)))))+(((((988*x1&&x3+x2)!=(x3&&259)+(82<x0))>((x0-995!!x1&&x0)!=((817!!9)<=x3+x1)))>=(((395<=x1)*(x0==250)==(x3>=x0&&x2+487))==((x1+771&&x0==x2)<=(258>x0&&x0-x3))))-(((((33>=422)>=(667>x2))<(x0==x0)+x3*338)<((196>=x3&&x2==x3)&&(x0<=x1)<=(96<=x1)))>(((908<=x0)<=(329>x0))-((x2==x3)<=x0+x2)&&((789&&186)!=67-x0)-((741!=443)>(x0<316))))<((((49+231<x0-315)>=(490+852>=(796<=750)))>=((24!=x1)==(362<777))*((331<972)+(503==x1)))+(((703+x3)-(7!=x1)&&(121+x1)+(50-775))!=((586<413)!=(37==768))-(893-x3!=(x2<=944))))+((((x1>x1)==(442<=x0))!=(933!!x0)+(641&&293))>=(((262==x0)>=401-183)>((x2<262)!=(741<x0)))&&(((x3!!527)!=(x2<x0))<=(154>165!!255>x0))==(((x1>606)>(x0==x0))==(122<=x2)*(905+x2))));
write (y)