read (x0);
read (x1);
read (x2);
read (x3);
y := ((((((x1>965)!=x3*46)>=((84!!x1)!!x0>x1))<=(((x1!!623)==(x2!=952))<((986!=x3)<(x3!=611))))!=((553&&859)-(x2!=x3)!=(x2==974&&x1+594)&&((x2+x3)+(x2<=170)!!(683-651)+(x0<693)))&&(((41!!x3)<(x0&&493))+(886<83&&x2+478)>(771*x1+(912&&x3)>((478>=x3)==473+x0)))>((982-x3&&x0<=425!!(x3+x3!!612-x1))<((x1>=x1)<=4+x2)-((x1!!752)-701*66)))<(((((454&&205)!=(x0&&307))<(668!=x1!!x0==x0))<=((x0>=825!!636+x2)>=(664+x3&&454-189)))==((((777!=280)!=(4!=x0))>((302!!x0)!=(682>=x2)))>=(((905>=x2)!=x0+x1)<=(x0-x3>=(923&&209))))!!((((601>=x0)==(155&&851))==(x2!!x0)-(x2>x2))==((837+794<(x0<=x0))>=(943+x3<=x1-x3)))-(((366<x2)>=(x0==x2))*((10&&21)!=(258<760))<(((x1<x3)<x0-515)<=(384*x1<(520<x2))))))<((((((894<=x1)!=(x2<15))<=(x3<=x0)*(x1+x2))>=((x0!!55)<=625+x2)-((x1==664)<(415!!x0)))-(((x1!!803)+(439-990)!=(x0!=998)-(241&&150))<=(x3-x0<=60+726)*((x2<=950)!=(856<x2)))<=(((x3!=x1&&x2-x2)>((x3<=x3)<219*x3)&&(x0+x1&&408!=x3)<=(x2!!x0)+(x2>833))<=((x3>=347)!=(954>=x3)!!(x2-711)+(x3==x1))+(((461+880)-(x3==x2))+(x2<=275)*(814!!x0))))!=((((648-x1>=895*741)*((652>x3)>=(58>=x3)))*(((617!!135)!=x0-276)+(262*x1!!841+694))<(((x1>=262)+(207+x1)>=((529<=x0)>(x1>868)))>=((228+403)+(x0==x0))+((x3>=x0)==(x1<x1))))>=(((((658<=55)>=(518<=x0))>=((475>=819)<(94&&97)))<=((x1<=x1)+(x2==704))-((x1<=593)-(484-967)))<=((x0-252&&305-x0)>((x2<x3)<(341>x0)))-((x0<x1!!574==636)+(x3<x1&&x0*625)))));
write (y)