read (x0);
read (x1);
read (x2);
read (x3);
y := (((((x1*x0==x0+x2)<((305>886)<(x1<x1)))<((424+344==(137!!x2))<(x1-138!!x0>842)))<(((498<x0)*(198!!738)<=((791!=x1)>=(x1>10)))<(x2+73&&819<=x0)*(363-594>=(x3<=858)))&&(935==x2!!526&&x2)*((x3==753)<=(x0!=529))-((667<=107!!x0<=x0)&&(742!!269)>920-x1)<((516>928)+(712<=x0)<(58-x1)*(526>=x0))+(((x1<=x3)>(78>x2))<=((x0<85)!=(x1==x3))))&&((((411>=83)==x0+x2)*((x3!!x2)<(499!=929))&&((x2-392)+(506&&922)!!(x0*926!!x1*x0)))>=(((x2+328!!x0>=712)>=(448!=196)-(775>x3))<=((x0<x1)*(x3!=753)>(x0+946!!191<=x0))))==(((309!!528)-(572+x1)>((657!!583)!=(777>=982)))>=((245>601)!=(x2<=x3)!!(x0&&x1)<=(x1!=x1))&&(((857<=266)>=(x0==x3))-((x2<x1)+(345!=221)))-(((x2&&x3)<=(355!!787))==((16==804)<297*510))))*((((((337+x3)+(568-563)==((x0!=x0)>(x0<=x2)))>((614==x0)-(x1>=864)>(x3<=x0)-(x1>x1)))<=(((x1!=x3)>(x3!=x0))-(905*x0<=(139>=632))>((x2+x2!!x3>=x1)>=((54!=683)==(x1>=x3)))))-((((81<=880)<=(988<x0))+((x1!=587)<(207>=x2)))*((x2!=135)-(977+375)!!(832==533)-(x3!=x0))&&((x3+616)-(15&&38)&&x1-315<(x1!=x0))!=((x3>=x3)!=x3*41)-((x1==858)>=(332==x2))))+((((x1+10>=(519!!662))==(x3!=120)*(x1+128))<=(((516&&858)>=993*50)>((865&&19)<x2-918))!!(((x2<930)<(183!!x2))+(x1+x3>=(x3<825)))-(((476!!451)==(x1!!x0))>=(158*x3)*(939!=745)))>(((721*133<(204==x1))<(x0<x3)-733*952)*((435!!x0)>=695*x0&&(x1>x2)==x2+x1)!=(((x3&&674)<=(x2>x2))*((494<x2)>(x2!=x3))==((x3!!187)-(213-366)==(152>x2)*(542!=814))))));
write (y)