skip; read (x0); read (x1); read (x2); read (x3); y := ((((x0!=x2&&x3==x0)<((x3==x3)<=(890!!227)))+(((x0+172)+(x0&&691))+((x3!!713)!!641>646))>=((((x3&&x3)>(895>x3))<((x0&&726)>=(485>=x2)))!=((x3==950)-(x2==147))+((x1<=102)==x1+x0)))+(((x2-x0)-541*366<=((x0>150)<(x0!!x0)))<((x2329)))>=((((374>=x3)-(x0=945+310)+(x3*x0!=(x3==x0)!!(x2+x2)+(396<=x1))>((x2+x0==(x3==101))>(x3&&878)-(935==x0))-((x2&&472)-(x3+663))*((189!!590)-(x3-x0)))!=((((111&&x0)=28)))<(((x2>=x1)<(x2<=402))>=((175<=483)==(x0>647)))&&(((x2<450)>(x1==245))<(650*x1)*(x0&&840))<=((324!=76)>=x0+109)+((98=131)))))*(((((x2=((601&&330)&&x1<=794))-((x3+395)+(65>=341)<=((x0&&883)&&(x3&&103)))==((x1<8&&762>x1)-((x1&&839)&&x0>x2)>((x1-x0==(x0(12+139&&x0==x3)))!!((((955==884)<(x3==744))==(x0-x2==(57=((469!=x3)<=(x3&&115)&&(531>=x2)>453-x1))<(((450<656)>=(382<=186))+((x2<=x2)<(x0!=x1))&&((x2&&489)==950+x0&&(262!!x1)-(5-x2))))>=((((11<364)>=x2-85)<=(x1&&x1)+(870=333)))+(((937&&935)<(307==x3))<((x2&&318)<=(608==897))!!(608*x3)*(x2>x0)==(x2*x2&&x2<158))!!(((831&&x3)&&209<=826)==((x1<485)==(669!!541)))-((x0>=x0)*(x3>=756)>(509-127)-(x2+x3))>=(((717!!x0)>=(x1==x0))-(643*x3)*(x2!=660)==((665<=x2)>=(x3<=x0))-((x2&&x0)-(x0==x3))))); write (y)