read (x0);
read (x1);
read (x2);
read (x3);
y := ((((((345<x0)<=(x3<x3))==((162!!461)==(430==x3))&&((x3==817)!=920*107)==((28&&x1)==(209!!820)))<=(((440!=x3)>=(x3&&298)!!661*309>(x1>54))>(x0+x3>=807*x2)+(347+621)*(x3*589)))>((((614&&x3)==x0+547)==(373*x0>(x2>161)))+((467-253==962+x2)!=(x1-325<=(x2>759)))<=(((126&&x2)!=(14!=x1))+((x3>=474)-(662!=726))!=(((x0!!x3)==x0-938)<((962!!x0)!=(935<=x3))))))<(((304<801)*(x1+x1)&&(36-x2)+(932!!198))+(((683>493)!=(x0==x0))!=(601+133<=823*513))>((x0*x2)*(439!=575)+(641!=270&&326+x3)>((x1>=579)==(x0==x2))-((x1>=x3)<(x1!!157)))&&((((x0>586)<=(346!!832))<(649*x2==x0*x2))<=((974>=x2)>(x3&&x2)!!(54-344)*(x1-x2)))>=(((706!=x2)>(x0<x0))-(700>=807!!93!=936)>((995*x0!=(503<=x2))>(495==x2)*(297*303)))))==(((x3>=927&&162==294!!(x1+x1)-3*x0)>((x0>x0&&(868&&753))==((x3<=301)>(303>371)))&&(((x3==x0)!=(359&&x0))<=((x2&&x2)==(x2==238)))>=((x1+x0)-(863+x2)!!(922<=913)*(709*190)))+((((977>516)-(x3>x2)>=(770<x0)+(x1<=510))<=((593*254!!209*x0)>(x3+316!!x0&&x2)))<=(((181==x3)>=(151!=x1))<(897<x3)-(494==x1)!!((46!!84)-(x0<130)!!x2*x3-(899!!343)))))*(((((x1!!369)>289*542)<=((x0==x3)<=x0*x3))*((678<=x1)-(425!!552)!=((x1>525)>=(948!!715)))>=((x1-x3)*(455!!842))*((427>=x2)*(x1<x0))+(789+x1!=(x0&&508)&&(396!=x3)<=(75<=920)))>((((x2>17)>23-806)>((x0==375)>=(637>90)))+((x0+742)+(187!!x2)>=(x0+692)*(x2==x0))>=(((x3==892)-(130!!x3)!!(459==x2)*(495+311))>=((292!!459)==(788!!533))*(514+605>(x0>=680)))));
write (y)