read (x0);
read (x1);
read (x2);
read (x3);
y := ((((437+x0==(x0!!422))*((x2>=999)<=(x0!=x3))&&((x0&&x1)==(x2&&x1))==((52!!287)<=(477<=185)))<((814>=x0)+(x1!!x2)&&(300!=x2)<(x1!=210))+(681+499<=(x1>541)&&(595>=x2)*(x3!!201))!!((x2>=x2)>(659&&140))+((255!=453)>=(254>=x0))>(((191<=x2)<=719-x1)==((x2&&83)&&413>=x2))&&((x1==102&&x0>=x1)<((318==x2)<x1+154))+(((769!!x0)!=(x1>=x0))+((x1>259)<=(872&&537))))-(((((17<x3)+(381==x0))+(x0*631<=145+x2))*(((x1&&447)&&618<438)==((386>=x2)>(x0<=176)))>=(((x0!!179)&&x3+x0)+((x3!=21)-(280+180)))*((x2==x2)>(x2>x2)&&(x3<=83)==(x1!=x1)))<=(((602==x0)+(127-x0)&&(x3!=838&&x2*x3))+(((510>407)!=(x2<=x3))<=(x0*x3<x0-x3)))+(((x2<x3&&x3<321)<=(320==103&&93-253))!=(((62==x1)>288+618)<=((155!!x1)>=(679>=629))))))*(((((66<x3)-(990!!x2))+(x1&&148!!20&&x3)&&((768<105)+(485!!48)!!(590&&x0)>=(252>=x1)))&&(((62!=x1)>x1*x1)>(960&&x1)*(142!!x0))<((40<=x0)+(793+124)>((x3>=x1)==(x2!!x0)))!!((490*600-(x0==717)!=((35!!x0)!!898-x0))>=(x2-x1&&x1>=974)-((952<=x1)==(x0!!x1)))-((900+745==(x1>=x1)&&(676>x1)<=(671<=578))<(((x1&&x0)==(x1&&x0))==((x0>55)<(289<=x0)))))*(((((459<=84)<(x2<=x2))>=(x0+x3!!x1!=745))*(933*x3!=(x0>=x1)&&(112>=970)<(x1>295))<=(((x1!=x0&&x2+x1)&&(783==372)!=(939==x2))&&(502&&248)*(780-x2)==((157==841)<(987>x2))))*((((427+396==x2-792)<((359==x0)<(x3<x1)))!=(((720!=x2)<=x1+578)>(36!=x1)-(x0==629)))<=((x3==968)+(x2-470)<(x2-179>273*x1))-((475!=x1)==(357!=x3))*((281+x1)-(x0&&x0)))));
write (y)