read (x0);
read (x1);
read (x2);
read (x3);
y := (((((772>=966)*(x2!!246)!!(148&&x3)>(x3==952))!!x2*x3+(x3>=581)<=((736>=995)<(x2!!322)))&&(((x0!=x2)>=(224==x1))+((288==x2)-(339-844)))*(((x0>704)!=(765>369))!=(452==x3)+(636+329)))*((((x1<=179)-(893>=x0)<(194<=671)*(x1>x1))<(781*x2!!899<=x0)-(945>x1)*(871>x2))!=(106*x3>(269!=665))*((330>x1)>792+939)+((x1>x0)+(x1-307)>(575-622<(550<=390)))))*((((355>=x3)>=(847&&x2))<((x1>x2)!=(x0&&818))&&(x1+x3)-(x1==835)==(623!=x1!!x3==594))*((((888!=x2)==(x3>=642))!=(300<=387&&533!=836))>=(((x1&&645)==(463>x3))>(257+211<(x1<=682))))!=(((x3-x2>(x2>=x3))+((551!!492)!!915+x1)!=(678-726<(504<x3))*((x0<=x1)*(505+573)))==((846-284!!759<=408)!!x3-x1>(x0!=520))*(((881&&x3)<=(393>x1))<(x2==x2!!x1<=533))))-((((((x0!!498)&&x0!=x3)*((930>=79)>(x2<949))<=((132<748)>277+x2)-(61>=739)*(x0!!85))>(((967<x3)>(679==x3))+((392>=x1)>688-446)!!((x3>=933)>x0-704)+((760!=x3)-(x1+204))))!=(((x2-x2>=(363==759))+((x1!!915)!!x2&&502)>((251!=x3)-x2*789<=(184*538!=(503<=x0))))>=((21*940==x3*x0&&x2*986<=x2+163)&&(549<x1&&(279!!222))!=(661>484!!664>x0))))<=((((x1!=x3)==(724<x0))<=((3&&x0)&&988>=x3)&&x2*126-(832&&x1)>((x0>x0)==(x0>736)))+((x2<680&&x0-x3)*((x3-157)*(x3==x3)))*((466!=330)+(424+x3)==((x1>123)==(241!!572)))>((((523!!282)&&955==348)&&(x3>711&&x2-x3))-((x1<=x2&&x2==124)<(x3+938)+(739!=x3))>((x3>549!!39*x3)>=(x2*x3&&(x2!!x0))&&((x1*x1!!618+x2)&&363*985<=(325<=113))))));
write (y)