read (x0); read (x1); read (x2); read (x3); y := ((((x1+290<=(617==x1)&&935*476==(49251&&x1-443)<((x3*903&&(168&&x2))!=(x2+233<(40>455)))))+(((56*967-(x0<=928))-((598>=835)==x3-487)<((x0==625!!983==x0)!=(455&&649)*(x3-x3)))>=(((463+575>x3+987)>((806==849)>=399+170))!=(((379!=541)<=(886<=x0))==(x1-x0==(517>=x1))))))*(((880<=873!!804-x1)+((526>=686)>=(69<=437))>(((x0>502)>=(697!!x3))>=(x0>758)-(446<744))&&((x3!!254)+(x1+934))*((x1>655)==334*x2)<=(((878>x0)456)))&&(((763==211)>=(x2==x3)&&586*x2<=(x1==x0))!=((x3<=166)>687*531)*(x3-246&&198<=29))<(((x2<=x1)<(925<=534))*((x2<998)*(x2==x2))!!((706=x3)+(617!!878))))<((((((17>x0)>(812>=928))+((74<879)+(42!=189))!!((x0!=761)<(778==909))>=(x0!=x1!!415+418))<=((x0!=x3!!463==297)*((x2>411)+(61==x2))<=(((438>130)=42)<((43>=319)!=x0*x2))*(((612==746)>(439!=434))*(935+863<185*x1))<=(((x3*x2>(x1=x2))<=((x2*694<=(308!=x3))<=((37>=203)<(x2!=200))))))!=((((x3*x1!!11==373)+(156-x0>=(946>=x1)))+(((x3<97)<=(x1&&x3))>((250!!925)!=x3*714)))+(((x3>951)-(x3>193)>=((408>x0)!=(x0&&2)))+(((133&&x2)==x1-103)<(849-572)+(514>=x2)))!!(((410<=741)<=(x2!!416))!=(683-249>=(x0!=503))&&((155==749)==(679&&x3)&&611-x0==(597=(917==389))<(548+460<=(714!!552))!!(x2<=280!!950&&849)<=((x2<396)