skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((((173!=x0&&310<827)>(614-x1!!463<=x3))>=(586-x2<=(22!=273))*((62&&789)+584*851))<=((88-79)*(561<=341)<=((913<731)<=529+413))+(((x0<x0)<=182+104)>=((x0&&292)<=(575<720))))+((((x2&&485)&&(25&&387))+(386>=x0&&x3<x3))-(((x2==231)!=(681>x0))>(x3==x2)*(x0<531))<(((x2!=57)!=997+113!!(135*x3!!356&&x0))<(((258==x3)<(x1!!x1))>((x3>=x1)==(725>x1)))))!!((((625>x2)-(924>x3)&&x3+943>(x1>=233))!=(x2>x2)*(x1*x0)-((x3<=x2)!=(9!!x2)))<=((((135!!652)>=(218&&x3))!=((150&&411)<(405!!101)))!=((264<=x0)*(x3&&982)<=(x2-107)*(27&&x0)))!!((((471<=335)<=(473!!1))==(799>635)+(363&&x3))!=((x3-x1!!x1==x1)<=(307==428)*(x2*563)))==((x3-x3!!x1<=17)!=((x3!!313)>=(634>107)))-((x2<x3)!=(401>x2)&&(x1*409&&(590&&x2)))))!!((((x2!!x1)+(739+x2)!=((x3>499)>(x3==x2)))>=((216<=x0)<=(x3!=x0))-((x0==x2)<(x2!!572)))>=(((761+x3==x2+307)<((446&&377)!=(823<677)))>(((455&&434)==(712!=x1))==x0*x2+x2*639))!!(((774-x2&&x1+x2)<(179*341<(500!=371)))>=(x0<=164!!x2>x2)-(x3*798==657+x0))-(((188!=108)+(x0!=x3)!=(166>=35!!277+373))>(((x3<=688)>=(x0>=201))!=(257&&262)+(x0+861))))==((((995<382)==(x2>x0))+((x0&&957)!=x1+654)>=(((565==490)>=(x3>=210))>=((x0!!x0)<(x1<x1))))!=((((x0&&x0)>(x0>=x2))<=((x0<x2)<=(x3>x3)))==(588+x0>=(123!!x1)&&x0-x0!=(898!=x2)))&&(((x1>=x2)==(588!=556))>(x1==x3!!117<=625)&&(x3*x0<=(x3!=x3))*((314!=x2)+(280<x1)))<=((x3-988)-(x0!!246)==((611!=x1)!=755-x1))+(((x2!=x0)>x1-263)-((46-x3)+(944-678)))));
write (y)