read (x0); read (x1); read (x2); read (x3); y := (((((x3!=645!!x0*x0)&&(957(340==x2))>=((x2<=15!!x3-x3)<=((203<=378)!=(217!=x1))))*((((526=x3*795)>((299==375)>(506>378)))+(((x1>=243)<=(x3==x1))-((681==x1)==x3+210)))!!((806-95>(746!!x3))!=(x0!=31)*(259-x2))!=((893>=x0)<=(560<=61))-((159!=x2)+(900+x2))&&((437==71)!=(x1<=160))*((x3>x2)==x1*861)>(((587==x1)>(792>=x2))!=((x2>938)==(x1<=x2))))&&(((((416>=x1)<=583*48)>=((180&&x1)=((806>610)+(x2>x0)<(19*x0!=40-x2)))*((x0<=537&&176>=860)-((x1!=851)>(x0=x0))+(684+x3>=(x3>=x1)))!!((599-435!!313+790)!!(x2!!x1)<=860*650)-(((x2<=395)<=(250&&668))==((603!=x3)>(x3!!441)))<(((x2!=320)>=x1+111)<(x0*973&&(x1!!130)))-((979==x2!!x2-568)&&(924!!x0)>(x0>x2))))<((((480*355!=(x2>=919))<((8>=156)>x3+x0))+((950*805!!x1-x3)==(x1*x0==(x0==341)))>((((x2!=675)>(x0<=x3))>=(x3-59>=384-x1))<((x2-659>=(41!=x1))!=((x0<=x2)>(355==x1)))))-((((227!=x3)!=442+x2)+(x3+586!!961<771)>=((x2+x3)*(825=x1+x1)))-(((939!=37)>=(x2<313))>((448&&x2)&&661*223))*(((704>=x3)<=(x3<=x2))+((x3==x2)-(803+x1)))))+(((((226((990x3)))+((405<=x3)<=(578>x2)!!(900&&x3)-(x1<884))&&((722!=x0)>(930&&492)&&(x0+993&&745-767))<((788x1))*(266*348==215*948))==((((x2+x0!!x1==914)!=((x1>726)>=(611<=731)))<=((x0>184)-(x3==x1)>(131!=x3)*(x2!!x3)))!=((x1+x3<(x3!=x2)&&x2*946>(x2&&589))&&((847<=x3!!x2<=925)!!x0*x2>(x1>=310))))); write (y)