read (x0); read (x1); read (x2); read (x3); y := (((((934>=x0!!(x1!!68))!=(255!=180)-(x3!=x2))>(((883>x0)>=x3-x3)!=(x3!!x1)*(x1<=x0)))<=(((x3>x0&&x3*x3)==(56&&x1)*(x0+188))<(((x3!=26)==955+x0)<=(x2+835)-42*x1)))-((937>=x0!!x0+180)!=((125!=522)!=x3*x3)&&((x2!=740)!=x2*480)!=((x1==x2)>32+31)!!(((375=x2))!=(x0+985&&778>=335))-((579!!x3)&&(301&&x1)!!(609!!974)*(966*991)))==((((261>=x3)<386*x0)-((x0>=x2)+(673>245))<(755+x0>(x2>=816))-((132!!x3)+(258>=x3)))*((x0+339>=(1>755)&&176-x1<(376==x3))&&(x2*429+887*23)+((x0>x3)-(x1>=29)))!=((((883>644!!476>798)>=((x1>=920)>x1*x3))==((545-x3==(x0>=x2))>((x0!=x1)>749*x3)))>=(((292*810!=(x2>=x3))>=(x0*x1!!288-17))!=(((x0>x0)>=281*926)==(x3=723)))))!!(((((175-504<(722!=x2))<((630&&98)<=120-288))<=((x0-x0<(824==x3))>=(487+809&&258==x3)))>=(((x2&&735)>=(x3>=x1))+((823!=122)==(x2>490)))*((x0>321&&(797!!x1))>=(646!!x1)-(x3==292)))==((((335725))&&(469==x2!!x1-x0)-((287>=x0)==(209<546)))==(((x0>x3)-(552<=x3)>((x0>=x0)<(x1<762)))==((882!!742)-(x0>=x0))*(197<55&&26*122))))+(((((x0==416)>(488>682))*((645==x1)<=488-766))*(((842!!70)>(387&&x1))+(457x1)>=(x2==x0))))!=(((((x2!!386)!!x2>=944)<(x3*854)*(947-937))==(((20!=x3)>=(921==x3))<=((x2!!208)!=(950!=197))))<((((x2&&x3)&&x1624))))))); write (y)