read (x0); read (x1); read (x2); read (x3); y := (((((23+605!!279>=x3)<=(242!=x0)-(207-688))>=((607-x2!!x3>x1)<=((227>=x2)<=x0-x0))&&((x0+x2!!(x2!!x2))>=(315!=x1&&(x2!!67)))*((498>563!!167=(((284!=x3)*(x3!=107)>((x1==937)==(853!=587)))+(294&&541!!976>599)*(164*x2<=358*371)>((674<415)>=(x3=378))-((60!=889)<(864<169))*(x3<=157!!x1!=x2)))>((((554&&208)!=x0-745)==((x2==144)>(x0!!255)))*(((x0&&x2)+(x2860*192))+(((757!!312)!=906+796)+((597-78)-(195!!318))<((118<=x0)==(399>290)&&(x0>717!!x2+700)))<=(((287*538>=x1*x2)-(50+x2<(789>=x1))==(x0+x3>=(966&&981)!!x3+x0>x1+x2))>(((686==47&&x1==x0)<=(875+x3)*(190==682))<((x2+19<(490==566))>((x2==261)==(x2<=x3)))))))!=((((694-152<=(652&&x0))-((113!=x1)==(647==x3)))*((388&&x2)+(998-340)==((645!!x1)<=(x2=(((401*x1<=(312<182))<((857>=x2)!=(x1=(748-x0)-(x0-721))))==((((692=x3)>(x2==x3)))==((622<=742)+(x0+662)!!(x2<263)+x2*x1))+((x2==666!!x3>571)*(x2==776&&497>x2)<((94!!x3)&&95+248)-((559>x1)+(x3-709))))*(((329*x0-(535!=144))-(x1+x0!=x3+x1)!!(535+345)*(x2-533)>(114<=225)+(866<=x3))>(((x1>222)!=(x0=358)<(x2<=x0))>=(((193>=193)!=(354&&871))<=(738+197!=(x0!!x2))))!!((((x1!=x0)!=(x0&&383))>=(132=(893<738)&&(852!!x2)<(695&&162)))==(((x3>=x1)>=(127>=13)!!698!=x3&&495!=x3)&&((x0>x1)!=(900!!x3)&&(183==x1)-(324<=797)))); write (y)