x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x1==942!!x0==x1)!=((998==x0)<=(x2&&40))&&((x2<=x1)+(x1<=821)!!(x0>785)+(x2>x3)))<((816>552)-(445>=x0)!!575*930<=178*x2)+((95-40)*(509+x2)&&(688<=x2)*(x0==525)))+(((444*989==(807&&446))!=(x3>x2&&156+177))*((38>x0)*(248<879)<=(x3!!x3)-(x2-372))==((x1*919!!x1==x1)-(x0*763!!x2>=901)<((138<=x1)-(867!!355)<=(x1&&46)*(x0-x0))))!=(((((780<145)!=453*483)+((119!!815)>=(116&&x0))!!(x2+746==x2+x3)+((484!!x1)>25-469))!=(x0*574-(481+793)<(x1*310>(932!!x0))!!(82-773==(410<766))>=(156==43)+x2*781))>(((((x2!!517)&&277+511)==((x3==x0)>x2*x0))<=(((804==258)==(x1<147))==((x2&&880)!=(x1&&175))))>((x2>499&&x0-608)>=(742-x1!=(53<=x2)))-(((x1<=x1)-(547+x1))+((854!!308)>=(477>x0))))))>((((((x3<=x0)<(x2>x2))!=(x0>x0)*(306>=721))-(((170==x0)>=x0*x3)>((854!!x0)&&x2*x0))>(((297+x0==(549!!600))<((940==x3)<(442<731)))>=(((x0<x1)>=(260==539))>((x0==x3)==(339&&x1)))))>=(((x3-385)+(x1-641)<(x3!!x2)*(784*476))-((787+122<(x1>=x0))>=(x3!!933)-(797<x1))<(((x3!!x2)==(x0&&305)&&(289>=308)<=(930&&x3))<((x1>x3)<=298+x0)*(8*922>=(0!!423)))))==((((x1>=x3)+(x2&&x0)!=((x3>=x2)==(978==492)))>=(((x2==733)<x2-x2)!=((x2==x1)<x3+x3))!!((x1>x3&&967+x0)!=(x1+818)+(x0<395)!!((574!!x0)>(340==868))!=((130>=57)>=(x1<498))))!=((((11==158)>(873<405))+(x1-487)*(770>x3))*(((x2-x3)-(x1!=46))+(8-x0>=(x2==702)))!=((x3*x3+(x3<=x0))*((x1>267)>=(553<=972))>(((648>=x2)>=x2+x0)<=(x2>=158)+(532<x1))))));
write (y)