var y; var x0, x1, x2, x3; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((x1-576&&x0-x0!!6+244<=(838!=617))-((x2-x3!!x3!=296)>=((x3<628)>=609*281))>=((729!!619)<=(446!!x1))*((x2!!460)&&x0>609)-((7*x1<(x1&&490))<((821>x2)<=(x2!=979))))>((((274(x1!!160)!!(x3>x3)*(x0!!758)))*(((x2+5!!x3+x2)<(x1>109!!978==784))>=((943-x3!!x3-x1)>=((232&&x3)&&(x3&&x1))))!!(((((323>255)!=(x0==x3))>((984=397)==(x2>588)))==(((711>=670)>=(x1&&669))>(x3-84)+(732=x1)==(250&&x0)&&(399!!x0)>=955*694)!!(((x3+444>x2+752)<(x3!!212)+(510!=x1))<=(((x2>=x1)<=(x3>=x3))>((x3>=44)!=416*x2)))==(((x0!=261)!=(238>=x1))<=(x1<=784&&x3-x1))+((x3-x3)-(x3==742)<=(x3>619)*(x0&&x2))))!!(((((187!=x3)<(x3<=x1))-((x3<=362)!=(480&&x0)))*((797!=x1)-(745>=x1)!!(95!!x2)>=(99>=x1))==((((x2&&x1)!=719*x0)>=((84=x0*109))<(((x2!!x3)&&x0!=x3)>(x2!!x0)-(x0+288))))<((x1-x2>(753==79))+(x2-x2>(x2>708))>((422&&657)>906-301)+(x3!!x1)*(61>=x0)&&((230>=176&&433*458)!=((596!=571)<(x3!!180)))==((906<=383!!x1*642)!=(x1+x3)-(x1!=982))))<(((653!!799)-(x3+x2)>=((x2<=x1)>(x0&&x1)))-(((x0<=156)>=(720>x2))>((x3!!547)<=(553!=x2)))==(x0=x3)==(x1>70)+(544+509)))*((((335&&x0)<(86!=322))==(x0+x2<(565==259)))+((537==x2!!549<=x1)==(x3-461)+(x1>876))<((774