local y; local x0, x1, x2, x3; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((x1>39!!168>654)!=(792>=757)*(x0<=x1))<((x0==x0)*(994+x2)==((284<=402)!=948+x2)))<((((x2!=935)<=(x1&&196))<((x0!=x2)<=(341==645)))>(((390!!x3)&&728>=382)!=(x3+876>x2-712))))==(((396>=x3)*(x2>=600)&&x2*x3!=(x1!!x2))-(((x3>=169)==(962!!290))==(89&&991)-(645>138))!=(((x0+x1>=(x0<=812))<=(752!!736)+(x2>=x0))>((839>331)-(x1-244)!=((201>=x3)==385+x0)))))-((((x0>x0)==(945>=x3)!!(174-x0)-(x3&&718))>((310==689)<126*560)*((307>=25)>=(x0!!122)))*(((x2>417)==x3*237!!x3+176<=(x0==766))!=(851-x0>(814>=x1))-((732==x3)>=(369!=x2)))&&(((x0=601))==(((993>862)*(x0==x3)<=((951<=x1)<(652>=x2)))<=(((752&&610)>=x1*337)!=(x0<=x2)+(x0<=x2))))<=((((496-x1!!x1<=214)>=((x3>x3)>=746-x2))!=((217623)!=(502<713))))+(((796>64!!x0<=x1)<(x2>=x1)-(799==x3))!=((436&&x2)<=x0*549!!((x3!!x3)!!x2>=333)))==(((x2>579&&x0>403)>=((x1!!x2)<=x2*x0))*((x3+x3!=343+955)<=((x2<=120)<=x1*x2))<(((880>922)==(779<160)!!(x0<=308)+713*705)&&((360>724)!=(x2<=214))-((899>694)!=(772==948))))!!(((790&&307)*(x1>812)<=(751>600)*(x0<=x2)!!((x3+x0!!x2*x3)!!(x3<695)=234))))!=((((520*429==(769>x0))>((x2&&195)=((x2<735)>(x1!!645))))>=((90+x1)*(x3<=461)!=((x3!!x3)!!x2<=67))*(((x2!!166)!!(989!!x2))!=((x2&&279)<(x3>x1))))); write (y)