read (x0);
read (x1);
read (x2);
read (x3);
y := (((((x2*x2)*(119!!x1)!=((x2&&x3)<=(x1&&x3)))>((x1<=x2)<(607<=x3)!!(x2&&x2)<106*x3))>((x0<333)+(30<380)>(x3+x0)*(138<=x2)&&(x3&&768)-(x3+635)<((252&&335)&&x1!=42)))<=((((x0!!476)<=(376!=x3))>=((x1<=x1)==(x0==830)))!=(((359<x2)!=(839!=x3))!=(305<569)*(x3==x2)))*(((x2>x0)<=(x3!=x0))-(x1+x0!=(159>=x1))==((x3<503&&358-875)!=((173<934)!=(357==306))))&&((((242&&x0)&&501>=x2)>((315<x2)!=x2-x1))>((354+x2)-(x0!=x2))+((x3<x0)!=(x0>=x3)))*(((x0!=38)>(196&&147))>((200>=x3)<(x3<=862))&&(262<=381&&155<=383)>(964*x1<=(916<x0)))==(((((x0<x0)!=(90>=x2))<=(x2!!x3)+(x0&&655))!=((x1*x2>(x1!=x2))==(96+848==(228&&683))))==((x2-x1<(x3<=232))-(x1<=302!!961+x1)<=(((x3!!296)&&x3!=882)!=x1*996+(x1+x3))))!!((((766<113)<=(x1==656))<=((x1==74)!=(541==x2)))-((x0!!x0)*(586&&x1))*((x2<=564)>(x3==811))==((76!!666)>=(908<x3)&&(x2!!x3)<(x0>=858))*((x0>=x2!!x2>=762)>=((639<=x1)>499*x2))&&((x2<=910&&x3>x1)!=(x0+191<x2*848)&&((x1>755)<(x2==411))<=(653>x0)+(x0<=x3))!=(((766<=719)*(708<823)!!(691!=698)+(870<x2))==((x1-958)*(626-756)>((x1<=x1)<=(935!=126)))))<((((905==x3)-(389!=228)!=(990==459!!391-400))-((x0-747<=(x1!=x3))+((549>x3)-(89!!864)))>=(((602!=x0)+(x0&&249)<=(x0+896!=(31!!152)))<(((951!=267)<=(x1!=x1))!=(x3-656<=(222<=624)))))<(((536*x3<=175-81)<=(x0+x1==(x2>=727)))+((x0==x3)!=(x0!=x0)!!(x2>=304)<(x2==x0))==(((x1!=510)<(675<=x1))!=(720!=218)-(x1>x3))+(((x2==x3)==(843!=839))>=(x1>152)*(43+x0)))));
write (y)