read (x0); read (x1); read (x2); read (x3); y := ((((263-687)-(x2>240)<=((x1==377)==x0+467))*(((x0>=842)<530+x2)+((83>x0)==(x1!!216)))!=(((x1<=x3)>=x3-555)+((513&&620)>(x1==358))>=((508>=3)>=(419=676)&&(68>442&&x1!=527)>=(722-320>(43==651)))-(((751!!x1)!=x1*x1)>(x3<=567)-(x1-336))*(((369&&877)==(x1!=275))>=(x1>691)-(798<=386)))!=((((971*347>(x2!!194))<=(x0*433<(78==365))&&(x3-x1)-(858!!431)<((135==28)>=(x2>759)))>((((920&&53)>=(810&&401))<(292<=30!!606<=645))<((942>x2)==447*419)*((456!=x1)+(436>654))))!=(((x2<21)*(198!=899)!=((612>=302)!=(584&&x2)))<=(((x2<=422)!=(654<683))<=(x3-693!=(642!=687))))-(((x3!!411)&&x1!=423)+((262-879)-(314==x3))!!(x0-x1)*(x1!=x2)&&(288-x0&&(903&&x2)))))!=((((x0+257)+(x0<826)==((x0==428)<(623!=669))&&(844>=499!!95+x0)!=((x0==x1)<(273&&636)))>=((x0+927!!928x0-x3)<((x2*745)*(415<=9)!=(678==x1)*(x0>=x1))))-(((787&&x0)+(x2!=x2)!!(x1>=x3)<=(110(925!=x0))<(433>x2&&x2+909))==((x3>962)==(791>=x0))+(x2==975)*(744>x3))-(((x1+541)+(176353))>(x0<=x1!!552-237))*((452!=753)+(x0+x1)!!(610+131)*(x3>=x2))&&(((121!=x3)+(x0-809))+(x1>=346!!246x2)!=(82!=649)))); write (y)