read (x0);
read (x1);
read (x2);
read (x3);
y := ((((x1!=x2&&x1==x3)>=((532<=x1)!=736-x1)!!(469-x3==(x1==x3))-(625>x0&&x0>x0))>=(((214&&x2)<=(753<230))==(650-x2!=x0+x0))*((x1*x1!!x0-x3)<(604*510<(x3>=532))))==(((x2+161!=278-x1)<=(548!=306!!x3<x2))-((114!=x3!!x3*x1)!=(x2+x3)+(440!=222))>=(((x1!=165)>257*159)+(x1*853)*(x3-x2)&&(144<=83)*(x2!=422)>=(759&&687!!242>=x2))))>(((x2-158!!84==x2)+(237!=x1)*(x2+418)!!321-x0<(925==x0)&&x3*677>(569<=x2))+((x2*693&&(771!!868))+(480-x3&&(633!!509))!!((x0>=286)<=335*720)!=((x3<=362)<=(x2!=910))))+(((x3-x0>(610==x3))==((x2!=944)>=468-x1))*(((x2>=x0)==(x0>x0))>(x3+244!!463*x0))!=(((x0>=x2)-(176&&x2))*(x3-x1<=(x3!!469))>(((x0!!x0)&&x2==x2)<=((605>=x0)==(446<=911)))))&&((((x2+436!=(x1<751))>=(x1-627!=(x0>x0))&&((x0!!455)!=(x3>944))>=(x0>287)-x2*186)!=((((x0!=x2)!=x0+x3)<(x2*914!!(x1!!x2)))<=(220+x3>=x0-x3!!(617!=x0)+(571>=266))))<=(((476!!x2)>=(90==x2)&&(640>857)*(541==400))<=(x1==898!!x1+x3)+((x2<=204)>=511+916))+((x0-937>=334*x0)-(x1-x0>=940+x0)!!((737+354)*(123+x1))*((238<=x2)-(639<x1))))>=((((x1<=679&&485+x2)==(x1<x1)+(689==104))>((232<=167)-(x0<=949)==((x2==x0)>x2*x0))!!(((868==x0)==(x3>x0))-((336>990)==609+907))-((x1-943)-x0*437<((540&&624)>=592*x2)))>((522!=895!!500==861)!=(153<312&&491<=649))*((879<=76&&x1>=356)>=(443+x3&&x2>=782))-(((698+x3)+(x2+735))*(x0<x2&&518>=x3)>=(((341==806)!=x0*756)<=(x2!!303)*(16>x2))));
write (y)