read (x0);
read (x1);
read (x2);
read (x3);
y := ((((640*827==(767&&809)!!(234==600)==x3*338)&&(346*x1+(x1-x0))-((x2&&x3)&&(699!!x2)))+(505-x0>=(936!=x0)!!(748<=x3)<(295>x3))*(((x0<x2)!=65+x3)>=(380-x3)+(485>125))<=(703-491<(878!!533)!!(x2<x3!!x3>x2))*(((x2-x3)-178*20)+(x2<=x2&&x1<=x1))-(((966==393)!=405-563&&227+870<x0+x1)+(((630!!x0)<(130<=419))==((959!!x3)!!305>=x0))))<((((x1!!924)!=412-524)*(336<=x0!!(198!!405))<=((x0*30!!x2+x3)==(967>684)+(x3!!x3)))+(((x0>906&&201-x3)>((918&&x1)<691-507))+(((x3==188)>=(838>=265))>((x2!=x1)<(281<=584))))&&((((x3>=264)==(66==x3))<=((632!=x0)>=x2*x3))>=(816-x1<(x2<836))+((180!!725)!=(614<=x0)))!=((83>x2)-(291!=x1)!=((x2==75)>=(121>=109))&&((x3!!82)<=x1*x0)==((x3!!x3)&&541-73))))>(((((x1&&159)*(x1!!804)!=((845>x0)==(x0!=717)))*(x1-x1==(x3!=x3)&&(x3<x1)+(x1==508))<((197!=x2)-(x0!!219)&&325-99==(x1!=x0))*(((x0&&x2)&&74*386)&&(x3!=575!!146>x2)))>((((x0-869)-(x0==949))+((x0!=49)>x2*518))+(408*536<=773-872!!765*x2!=x3*902)!=(((958>=33)-(x2+332))*((x2<=325)+(713>=x1))!!(141>x1&&75<=x1)*((206==535)*(x3*x0)))))==(((((x1==778)==(x3!!272))>=(923!=x3)*(109!!x3))>=((x1<526!!(449!!x3))==(895<=673!!x1+742))&&(x1!=928!!826-x3)*(485+x0&&808>740)+((x3==x1&&910<=x1)==(619!!607)*(488!!25)))<=(((x1+x0!!195>=x0)*((x1>=x0)>=(505&&639))&&((x3!!575)<=x3*259!!x1*x3<x0-271))>=((370<602&&x0<=x1)-((x0!!729)<=(920==720)))+(((554>141)==(x1==948))==((739>=x0)>(343>619))))));
write (y)