skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((472<=x2)>(902!!990))-(x3!=x2)*(x1&&748))*((132-x2!=x2+995)<((966&&x1)>=(x2<=x3)))-((869*38&&x3*122)-(x1-x2!=(x3<165))!=((x1-567)-(595!!50))*((679==x0)-x2*x1))&&(((x3>515)>(x1!=x0))==(938&&661!!x3>x3)&&(x1*27-(x0==x1)!!(48>=820)<=(x3>257)))!=((((x0!=x1)!=(740==658))<=(876!!641)*(x2*x3))<(((x2!!x1)!!x2<=x0)>((710<x1)>=x0*x3))))*((((890>=343)*(536>=x2)-(x0*x2!!x2<x2))+((x2<=x2)-(x2==9)<=((x0&&x3)&&900!=680))!!(((837<=341)<=(x2==x0))==(x1+981!!x3<=583))-(((982!=x0)>x2+x0)==(619>x3)+(804!!x0)))==((((x2+120)-x0*x1==(x0<=x3&&x1==x0))<((131>=495)+(156>=x2)<=(x3*x1<=x2-x3)))!=(((x2>x0)>=(x2&&958))-((810>824)<=(x1!=693))!=((29*x3!!530<=874)>=((539!=x3)<=687+874)))))!!(((((x3>139)==(830!!x3))<(x2+545>(x1>958)))-(((x2<310)<x2+x3)>(x2-68<(153>=x0)))>=(((x3==993)!=x2+x2&&(x1<=434)<=(x1>=x1))>((166!!486)&&452>x3)*((x2!=647)-(x3>x1))))>((((x3+x0)-(x2<=897))*(554*x2!=(34<x0))!!(x3-171>=(x2<573))!=((x2<=x2)>453+x0))<(((518>x2)==(x2>x0)&&(289-x0)*(x1<=848))>=((x1<=x2!!x0<=81)==((525&&768)>x1*x0))))!!((((702!!382)>(x0&&x3))<=(629*199)*(x3!!x1))+(((x1!=608)==(332<=273))+(945*x1+(x0!!541)))==((x2-830>=x1*x1)==((370!!718)!=(x1&&395)))-(((x1==x2)==x1-601)-(43&&x1!!x2>=x2)))<((((x1>=x3)*(x1<x3))*(513*415==(857<=608))!!((x2<=x1)<=(503<203))-((x3+913)+(700>=x0)))>((943&&x2!!(28!!x3))+(x3*x0)*(46&&839))*((780>=378!!310<x3)*((881>728)>=85*x2)))));
write (y)