x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((258*x1!=x0+512)<=(862+577!=(817<=x1))!!(x1!=8)*(654>=868)<(x0(475!!810)))>=((x3>x3)>=(864!=x3))*((x2>624)<=(x3>593)))*(((((x0==x1)<(x2>x2))==((x1!!32)>(x2!!x1)))>(((x0<=312)<=125-830)<((x0!!924)==x2+x3)))>=((419<=x0)-(274==x1)>=((37!!3)989)&&(x3&&x3)>x1+x2)>((924!!122)*(933+x3)<=((10&&447)==(x0<411))))<=(((881&&x3)*(354!!508)>((x2!!833)<=(828!=802)))==((676!=544)==(867==801))+(316+x2!!903-127)))>(((161!!x3)!=805-794)>=((x3!!297)!!x2>=x0)!!(757-x2&&x2<=x0)-((x1<472)<=(73!=x0)))-(((656!=122)+(x1!=x1)==(394>68)+x3*x2)!=(((631&&475)&&881==x3)>=(x0+x3<=(8==482))))))*((((((453-293>305-252)<(x0+x0!=(153&&54)))!=(((14!!x0)!!x3<=460)<((x3=(x2>=x2))))>((((x0&&x3)==(731>=118))<=(407<=x2&&x1-165))>=((x1<=776)*(910-711)>=(272!=207!!x2&&938))))!=(((545*x2<(885==207))*((888+x2)-(x2!!x2))>=((x1!!62)&&378!=102)+(972&&821)*(x2!=x1))==(((x2<=774)-(764==898)<=((743<=454)!=(x3!!x0)))>=(((x1!!639)!=(425!!x3))>(x0>=x0&&761-x0)))))==((((x2==506)-(654x0)&&(467==513)*(346>=317))!!((620<=157!!82>=942)>(x0<=270!!x2==761))+(((264!!x0)=(217(x1!!533)&&748*x1!=x1+95)==((815>=x3)+(x2<=862))-((x0>=x1)!=(x1>x3)))+(((26!!x3)*(791=(72