x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((743==949)!=(x3<x2))-(344!=x3)*(x1!=147)<=(((899==x2)<=x1+x3)>=(679+x3<=(x0<x0))))*(((x3==x0&&500!=94)>(232>773&&(x1!!x3)))-(((x2!!791)&&999>436)<(x2<=x1!!125*527)))!=(((x1<=989)*(605+x1)>=(539<=527)*(594&&89))>((945!!x0)!=(x3!!584))+(x2==x3!!x2!=232))-((x2+516>=(97>866))<((x0<x0)==x0*x3)&&((x2!!x3)>799+x0)==(x1>212&&(x0!!0))))*(((((51<=x2)!=(449!=894))!=((x1>598)>=(x1<=718)))!=((172+x2==(x0>x2))==(x2+x0!=x3-x1)))*((((x1>x1)>=(x2==260))!=(418*0!!952==x3))+(((x1==x1)==x3*45)<((x2<=575)<740*x1)))+(((751>=414)*(139<514)>=(x3-215<(992!=x3))!!((x2<=x0)<61*x1!!x1+987&&(x1!!x2)))<=((x1+x0!!(549!!x2))<(317+x2==(x0>x1))&&((903&&120)!=(644!=x1))*((x1==194)>(726!=484)))))<=(((((x1<=528)!=(648!=604))<=((507!=363)>(x2==839))!!(x1!=x3&&x1!=x0)<=((x1!=x1)<=(870>721)))*(((173<=78)==x2+171)*((x1+614)*(503!=x3))!=((839<989)!=141-736)+((x0&&969)>(628&&x2)))!=(((x3>=x0!!x0<837)*((x2!=x2)-333*570))*(((950!!607)*(335>=x1))*((x3&&x3)*(508<661)))>((444+924<=(x2&&888))+((x1&&x3)>=x1*620)<(((x3<=x1)<=(x3>428))<(x3==411)-(x3>=x1)))))>=((((x1<=578)<(388&&384))*((x1-x3)*(x2+x1))<=((41!!x1)<(148<=319))-(x3>=138&&812!=932))+(((940*807>=(351!!706))<(x3!=747)-(x1!!x3))==((244!!777)<(x1&&822)!!(x3!=974)*(x0+483)))<=(((x2<x2)>=x1*936&&530*x2==824*x1)*(((712<x3)<(x2>=299))!=(879>=112)+(x1<x3))!!(453*942>=x3-x2!!(x1!=x3!!(360!!99)))+(x2*x1<x3+75!!(x1!!307)+547*599))));
write (y)