skip; read (x0); read (x1); read (x2); read (x3); y := (((((27!=x1)>=(x0<=298))>=(x1&&x0)+(x3>=351))==((954!=x0)-(673+231))*((x1&&910)<=(271!=359))!!((x3<=x0)<=(395>x3))>(x1&&x2)*(x0<=x2)&&((877>384)>(752=x0&&684+941)<=((x0<=136)>(x0<=x2))!!((x0==634)!=x0+249)+((x2==x0)<=(655!=455)))!!(((x2<=x2)<596*x0)<=(881&&506)-(243<=875))<(x2!!x3)*(x1+x0)-((x2&&586)-(x3-x2))))+(((((588!=464)<(x3>x3)!!(621!!665)>=x3-x1)!=(((x2=x3*334)<=(802>x2)*(x2-101)))+((797*x1-(x2<=x1)>(x2<=x0&&x2!=x3))<(((x3!=x0)<(91!=779))==527*616+(753!=580))))-((x2-618<=(x3<=118)&&(x1&&x1)<=(x2<=x3)!!(896>=949)*(x0<676)+(886*831!!x1!=79))<((((x3=((((x0*768>x3-526)==((x1=762!!33!=x0)<=((x0<=x1)>847+499))-((320>=x0)<=(x2<=x0)&&(x1>=185&&499*x0)))>=((((x3+x1==(x1!=264))>(590<=353)*(x2!=x2))==((949>x3)<(971<=993)!!(x1>1)*(x0<474)))==(((117>x2)>299-186)*((298>=152)==(174>17))==((x0<=430)==(760>x1)&&(x2!!x3)>(304!!x2)))))-(((((x1&&x3)!=(652<=x1))-((x3>735)<561+847)!=((576>686)>=(836<199)&&(x3>=x3)!=(x1&&802)))==((x1!=150!!504!=x3)*((378&&x1)>=(x2&&19))!!((x3==x3)==(x1&&x3)!!(x1!=71)+(534&&x0))))!=(((x3&&x1)&&x0>=468!!983-x1<(388!!x3))+((424+x3)+(x3<585)>((x1<=x2)<=(118<695)))!=(((46+x1!=(x2<115))<=((x0&&x2)<(807&&727)))!=((x2!!760)-(569<=418))-((336!=922)>=(x2!=450))))); write (y)