read (x0); read (x1); read (x2); read (x3); y := (((((640==x1)-(x0!=x3)&&x1-x2!=(867>x2))>=((510-x1)-x3*x2<=(799*x3==(373>=200)))&&((x2>=x0)<=(x2==342)&&(x2==797!!829<=262))-((157!=x2)>=(x0==x2)!!(x1<466)+(x1<=x1)))>=(((222!!520)*(x0!=503))*((617&&44)>=198+236)<((621&&274)>=760-x3!!811-x0<=(809>x2))&&((x0>=485&&798*476)>=(631*x1=((x1>380)*(x1!!x1)>((92<=x1)>(x0&&x2)))))!=(((x0*x1-(153==234)&&(x0>=470)+(31+x2))!=((811-x3)*(x2!!x3)!!(x3&&x3)&&462!=26))+((((416<63)!=(x2>589))>=(x1!=416)-(556=(x2>x1))>(674*x1!!x1!=x1)))>((((658>=x3)!=(x3>=696))==(x2+652&&209+761)&&(539<127)+(x0!=x0)<((x1>=x2)==x3-x3))==((x3+x3)+(559>=447)>(x0==x0)-(x2!!23))+((x1&&x0)*(x3!=x3))*(412<=553!!x2*x1))))==((((x0>=245)*(303==x0)>(x2x1))-((x3<=129)-(358!=x3)))&&(((x2!!669)<=(x1&&x1))>=((x2>x3)!=(x0<=40))!!(x3-244>=(x3!!183))-(77*611-(865!=127))))<=(((836*x2<(230=563)>=420*x2))-((547>x0!!273*x0)<=(730<=x3!!526<=729)))*((((749!=x1)==(x2>79))+((991!!542)>(450&&x0)))*(((836<=336)<=(x1==x0))>=((x3&&885)==(x0&&x2))))&&((((811=762+x3))*(((x3<=942)+(x3!!248))+((955!!x2)>=x1+x2))!=((x2<889&&901-821)<=(969<=640)-(294>288))+(((773(x0!!x2))<(x3+356==x0*749)))-((((351<141)858)+(x0==x1)))*(((x0!!532)*(826*x3)<=((x3!=431)==(x2<510)))-(((x3<=84)==x1+x3)==((x0==62)>(90!=x3))))); write (y)