skip; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((((x1+29>=(346<=x2))>(x2<=837)+(x0<=288))<=((x1-x2)+(x3-695))-(230-x0<=(x3==552)))>=((518*x2&&(989&&69))+((x0!!132)-(581-111))==((298-747>x0*x0)<=(x2*418&&(346!!x3)))))>((((303<=58)>242+275)+(298+x0<(x1&&550))!!(225-x0<691+x1)!=(948+289>(x0!=x1)))!=(((270+732)-(x3>934))*((799>=x2)>(x2!!753))&&((x0==497)<(673==553))>=(490+x2)*(959>=x0))))>=((((x1>=x3)-(x0+897))+(x0+x1>=x3-x0)>((x0==91&&x1==x1)&&(379>704!!607!=334)))!=(((x2&&x1)>320-606)*((x1<=x3)==335+381)!!((194>=130)!=(x1<631))>(x3-x1!=(495!!x0))))+((((x1=x1))==((x2!!773)>=596*x3)))!=(((246!!988)>=(x2<=938))<(x3>654)*(x2+x0)&&(258*434!!451-x3)>=(859-177&&927<=x1))))-(((((348==x1)!=(472=(x3*x3&&(x2!!810)))!=((x1>=x1&&(x3!!636))<=(153&&x0)+(754+757))!!((733!!901)!=147+639)<=(329>x3!!x2-63)&&(x1<173&&888==x3)+((x0+915)+(x1<=x3)))>=(((959==60)<(903!=745)&&x1-977==(179(x0!=35))<=((x0+x2)-(x210+35)))&&((((x3((x0<=x2)*(x1+x1)&&(333>469)!=(349<=x3)))+((((x3!!x3)<=431-613)>=((371!!x0)>=x1-197)!!((x0>=x1)<=(397((x0!!x0)!=x2-581))+(((x1<209)+(x0>=406))*((960>x3)+(682<=x3)))*((x1*x0>(643!=x1))+((x1<892)>=(x1>x3))))); write (y)