skip; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((((254<=968)>=846+132)<((x0<=797)>(x3&&247)))==(((304=x0))<=(x1>=x1)-(864<923))&&((594>x2)*(x0=(306&&292))>=(1>509&&399*x3)))-(((x2*126>(x2!=x0))*((660&&x1)&&(x2&&117))!!(x2-x1<(x1<550))==((695&&x1)<=(502>=115)))-(((57>=196)>(788!!385))==((998!!863)!=502-x2)&&(854&&x2)+(259==692)<=((434!!x2)>=(x2<=x3)))))+((((x2<=296)-(912+251))+((127<938)-(14((((857>=9)!=(x0>=108))!=((696<=302)<(725==57)))<=((x3==867&&(654!!x2))&&(29<=x1)*(265>=x3)))&&(((x2<869)<=(470>=56)&&(9&&379)>(x0!!x3))-(((x2>=x0)==(734!=775))==(x0-x0<(x2>519))))*(((684>830)<=(x2!!x1))+((784x0)!=x0-495))))!!((((((x2>912)>=(x0==507))>=(757-x1&&852+x0))<((679<=x0)+(158>=452)!!(x1!!241)+(277!!x0)))>((x0==859!!594+x3)*((x1<317)-(x0244)<((x3>=x2)>=x0*x1))-(((167<189)+(417857)<=(x1!!65))>=((x2<=296)!=(x2!!x2)))<((846<157)*(x2*x0)>=(805<=93!!111>x1)))*((824+420)-(x3!=3)<(x2-588!!346*21)&&((671!!x2)<(781<108))<((340&&x3)>(402>84)))>=(((69==x2)-(472+128)<=((x1<136)<=(x0>x2)))<=((616+349)+(x2>=x3))*((969>x3)!=(x2>x0)))+((((x2!=x3)==(830<=x1))<=x0*69+(x2!=x2))+(x3+x0<(451>=x0)!!(23>=x0)-x3*x0)))); write (y)