skip; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((x0!!x3)<=(552!!x3))>((597!!x3)!!899>=x3)&&(879*644<=(388<=x0))<=((104<=963)!=(x0<=x2)))+(((749==168)*(x2*x3)!=((688==x3)>(426=((200!=x2!!88+260)!=(502+97<18+425)))==(((((313>=x2)!=990+x0)!=(633-x0<(x3!!x3)))>=(((x2&&45)<(965&&x0))>(x3>x2)*(885!!602)))>(((x2&&475)>x2+x1)!=((160==590)>=x1+x0))-(x0*x0>(429>x1)!!(x1>=x0)==(x1>=500)))&&(((282-x3!=(x3&&828))<(x2-923>=(934>x0)))-((777>x3)*(273+263)!!x0*831>(529<=978)))*((((768!!275)!!x2>=906)==(284!=x0!!889+148))>(((149&&x0)>=(x3&&x0))>((273>983)<=698*x3)))>(((741+440!=(109!=x2))>=(x3>=642)+(x1x1)-(497&&418))!=((((x2>x0)>=(x0>556))!=(969<=838)*(x1<=537))>(((x0==x1)!=(634==x0))==(544-603!=(127==x2)))))!!((((((x0!!390)==72-x0)!=(305<=x2)*(142>257))==((x1*949>x0+421)<((37&&101)!=(178>945))))<=(((820>x3&&x1<=186)>=(42-x3==x0-202))<=((x0&&619)*(x0-x1)==(x3!=x1&&x0-x2))))>(((x1==55&&743+x1)+(111!=60)*(222!=224))+((378<593!!884==934)&&(165>=12!!758<=693))<((73+918==(x2>x1))+(854-x2<=(x3<=454))!!(x1==346)-(x0>=647)>(x1-x3==(x0>x0)))))+(((((x2>x1)!=(x0>=x1))*(x2+x0&&454*x0)!=((x1&&192)-(x2!!14)!=(538!!624)+(x3<419)))>=(((x1>x2)-(600+x1))-((486>x1)>=(884&&320)))-(((x2!!780)<(573x0-x2)))+(((x1!!x0)&&(x1!!735))+((x0<367)<=(x3&&961))&&((x3<=x3)==(x2==978)!!(x2<=695)>=(x2&&485)))*(((x2+x1<=(881==500))!=((x1!=x3)>=(x0==242)))*((x3&&x0)*(x2!=384)==(174!!x0)+(x3-868))))); write (y)