read (x0);
read (x1);
read (x2);
read (x3);
y := ((((461!=513)*(x3&&x1)<((x2==734)!=(594!=x2)))*((990-247!=x3-x2)==((x3!!x1)>=(x0>468)))-(((x1+11)+(x2<=419))-(286&&x0!!(x0!!x1)))*((595!!220)*(x2!=x0)!!471*415<=(924<=x0)))*((((x3*427)*(x1>437)==((352<=x1)>=(203&&697)))!=((448!!215)-(449<x0))+((x1&&x1)&&(x3!!x0)))!=(((132>=x1)<(x2<141))-((884!=x3)<=(x1>505))!=((671*281>(327>369))<((x1!!x2)&&x1>685))))>(((((786!!208)>(x3&&291))+((828!=x0)>=(648&&538))&&((x1&&x3)&&704!=x0)==(851*176<=239+x3))&&(((343<x2)<=(x1>=x1)&&x3-x3>(223<x3))&&(x3*x2>=(636<x3))+((179!=x1)-(x2<575))))<=(((((524<833)==(737&&x2))<(712*x1>494-781))==((499<=x2)*(211>=x1)!!x1-438<=(822>=711)))>=((((613<320)<(916>=x1))>=(686-x1<(95<=991)))!=((19!!801)>=132+384)+(464+x1)*(x0<=239))))!!((((x2>=484)>=(x3==x2))==(509==644)-(x2+x2)&&((x2==x3)<=(129&&x2))!=((x2!=x3)>=(599==233)))>=((((627>=47)>=(x1&&x2))>=(53*x0==(x2!=x3)))>((131+916<361+x3)==(57<x0)-(x2>=168))))==(((((x0>=x3)<516*674)!=((284>387)>=(264==830)))>=(((x2!=x1)<=767*232)>((67>=106)>(x1!=653))))!=(((x2>=276)<=(218&&x1))+(794*x2<=938+x3)&&((645<=936)*(664==x2))*(x1&&x0!!x2*x2)))&&((x3-x0)*(261!!948)!=((x0!!290)<=724*x0)!!(811*x2)*(239>=92)>=(x3+x2>=(139<=248)))-(((x1+x3!=(x0>257))==((x0==610)<(x1!!602)))!=((377-x1)*(x3<813)==((878<128)<(629==592))))>(((x0-39)*(x1!!813)<((x2<=307)>=(x3==471)))>=((x0>x2)>(x2<=x2)!!(172>=889)>=(499<=884))!!((x0>=980)+(559==227)<=((913==171)>(161>x0)))>((125==x0)>(645>=277))-(3<=x3)*(450*250)));
write (y)