read (x0);
read (x1);
read (x2);
read (x3);
y := (((((771>=713)+(x0&&903)!=((369>=x1)>=(x3!=x1)))<=(((118==956)>(x3<=x2))==x0*x0+(x0&&97)))<=(((x2<x2)*(x3<=84)<=((955<=420)>(x1&&x3)))>=((x2>x0)>(981<515))+(341-592!=(480!!x3))))*((((x0!!601)>(x1<x1))<(609+606)+(759&&649))==(926*x2>x1*x1!!(289!!x0)>=x3+x1)&&(((763&&915)==x3-563)!=((710>=876)<(566<=x1)))<=((x1&&x2)<=953+721)-((x3+x2)+(x0==783)))-(((x1+x0>=(x0<x3))-(x1==314!!x3+124)<(x2!=241!!572<=x3)-(x1-x1>(x2==699)))+((631*872!=(563!=737)&&(x2+x3&&149>=141))<(((938<=348)<=(x2&&980))<((269<x2)!=(907&&x3)))))*(((x2&&737)*(x2*714)<=(x3*926!!896>425)&&((x3<309)==698-596!!(627>746)==(883<=706)))>=(((x2<=x1)<(761<=987))>((900==4)<=(x3>=662)))*(((145>=769)<(x1==x1))<((x0<=x1)>x3*x1))))*(((((x0!!x1)==(x0==x1))>((x1!!947)==x2*482))-((x2>643!!524==971)!=(899>=179)-(x0<990))==((x2*x3!!(x0!!x1))-((x0==x3)+(x0<272))&&(774*426>392+x1)*(458!=860&&(x1!!x0)))!!(((616<=x1)<(x3<x3))<(633<=x2)*(x1!!x2))*(746*387&&x1!=251!!(x2!!373)!=x3*959)<((451+67)+(x2!=x3)>=(383>200)*(857!=320))-((x2+388)*(281-x2)<(x2!=878!!(x1!!680))))*((((((x3<=x2)<=(x1!!901))==(487<543)*(x1-x1))>=((273!=x2)+(767!=x3)!!(471+x1!!x0==658)))!=(((933>917)<=(835!=828))*(229*92>=(x0>535))!!(x2+161)-(x0+x0)&&(x3!=x3)>=(789==x0)))==(((((439>=x3)>=(x1!=471))>((229!!651)<(x1>624)))>=((298<=x1)-(736!=774)!=(x1*x3)*(638>=x1)))!=((x1&&x3)+(633+x0)&&(x3*x0)*(x0==711))*(((641>=x2)>(x1<x2))-((x2+890)-(744!!271))))));
write (y)