x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((x1+175<=(x3<=x2))!=((912&&x1)>(908>849)))+(((857!!x1)>=(x2<722))!=((x0!=x3)>(x2>=271)))<((((x3>=55)>=819*x1)!=((x3<=778)>=(540>x0)))>((x3-837&&841==x0)>(x2!!x0)*(x0&&x3))))==(((x3+174)-(380<=687)<=((x2==x3)!=(597!=748))&&(83>=x1!!586>=617)+(x1>=273&&(265&&x1)))!=(((393!!196)<=(x1<654))<((754&&x3)==(149&&x0)))+((718==880)*(x2!!266)>=((x3>=x0)>(525>741)))))!=((((226!!657)+(826>=94)<(931+595)*(645>=x1)&&((x2>x0)>x1+936)!=(x3==x2)+(x2!!681))<=(((455&&787)!=(x0>x1))*((x0>=x3)+(88>=721))==((458<=549)+(x2!=917)<=(x3>=x0)-(843<=x1))))<=(((732*x1&&45==x3)>(942=x1))*((x1<=160&&x3!=x0)-((x2==206)>=x2-881)))*(((x0!!x1)!!831!=486)-((951&&335)-(274==x2))<=(((856==488)<=(367!!x2))<=(559257)))))+((((x0<=x2)<(892==584))+(204!!x0)*(164&&426)!!((526>=x1)<=(391=(x2-159&&x2>x2))*(((35=399!!60*x2)>=((x2*x3<92*x3)!=((x0!=x2)==(147(((623<=x3)==x2*x1)==((295<632)>(274>=x3))))>=((x0<65)+(725!!x1)<=((x3&&x0)=268))>((x2!!x3)>=(942>x2))))&&((((649==x2)<=x0*x0)>=(x1*399>(620!!927)))!=(x2(900>174)))-(((x0*x2!=(x3&&x3))*((x1-x0)*(x2+65)))*((718-257>=(x3>=x2))*((877>490)>=(x0==x1)))<(((601<475)>(557&&x1))<((581>=x2)==(577!!x1)))*(((x0>51)!=(x2==x1))==(209*x3&&x3==505)))); write (y)