x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x1<x1!!x0<=773)<(246<889)+(647&&x0))+((x2!=x2)>=(x3&&777)&&x0*x3-(434&&x0)))-(((55<140)-(758==x3)<=(679-631)*(5-x1))<(x1-x3==(91!!74))-(497==798)*(x2==198))<=(((508==x1)>=(x0>=x2))!=((77>=x2)==877+x3)!!((x0&&844)+(859<700))*((585&&x0)-(x1!!718)))-(((791!=x3)!=(x2==938))>((x1!=935)<(x0>=x2)))*((740*x3+(x3<=x2))*(428*881==(832&&212)))&&((((x0+x3!!x0==x3)<=((863>849)==(x0<651)))>=((x3>376)*(x3*802)<=((x0<x1)<(216!=x0))))==((24-211)*(x3*886)&&(454&&352)*(x0>=658))+(((916!=x1)>=(804<=185))<=(589-755<=x3+381)))>((888+x3!=739*x0)+((x2!!382)+(x0<=95)))*((90+x3>=(533<=x1))+((316==x0)!=(629>667)))+(((335>x3)>(562<=x0))>(x0-x1<=(58==433))&&(x0>991)+(x2!!742)<=(x2*x2<(x1!!x2))))!=(((((468*x2<(536==842))-((371>x1)==(134>271))!!(219<x0&&(x0&&606))!=(x0>=x3)*(483>140))<=(((846==266)!=(x3>154))+(338!=x2&&x3<x1))+(((x1<508)!=(401>700))<((x3>149)<=(x3<=x3))))!=((((943*41<=178-60)<=((x0<=x2)>=x1*x3))!=((145>x0)<=(911!!407))*((983!!x2)!!x0-x1))>=(((802>=x2)<(626<x0))-(449+x2<154-x2)<((728+x3<=(152>=403))>=(34!=560)*(x0==x0)))))>(((((314>=x1)>=(x3&&x0))<((x0==x3)<482-54)!!((688>867)==775+488!!(550+724)+(x1==x1)))<(((x3!=220&&x1>=38)<=(x2&&580)+(x0>x1))<=((x0!!440)<(x2<=x3))+((x0!=775)>(814>=758))))>((((892!!x0)<(x2>=x1))-((x3+x1)+(159<=x1))==(((x2==356)<=(50<x2))>((x0<311)<(899>=x1))))<(((x2+x1<(x2!!739))>(x2!!x0)*(398*x1))>(35+x1>375+705)-(x2!=x1&&755*x3)))));
write (y)