read (x0); read (x1); read (x2); read (x3); y := ((((74+x1!!778>=x2)!=(x0-789<(868>566)))*((x1>740!!423&&387)>=(214*767!!779!=x3))!!((x2-x2&&x2-x3)>((x0>64)!=(x1!=x1))!!(481-x1<=(x0<=896))==(x3+x3<(154==x1))))+((((182>=14)==(854&&x1))<=((x0&&x3)<(999==x0))!!(x2<=574&&751==991)-((x2<=x0)>(x0>=x3)))!!((x1+199<=(x3&&520))!=((x0<=868)==(x3<=x0)))<=((209-x1<=(x3&&40))>=(53>60!!403>127))))+((((x1+x3==(x2>x1))+((456!=x3)==(x2>154))&&(113&&x1)-(x3-x2)>((254==618)==(474==x0)))>(((x3>=993)==33+228)<((697>=x3)==x1-x1))*(((374&&575)!=28+x3)<=(194<=965)*(576&&x2)))<((((360!!713)*(830>=x2)!!(x0*5!!x0<=121))!=(712>442!!114>x3)*(x2>=140!!306+x3))==(((273>x0)<(152>x1))-((x2&&x1)&&489>=223)&&((x1>63)<(x3417)!=(x1<644))+((498!=344)==x1+x0)<=(((x2>=511)<(342&&715))>((893>=x3)((x3!!x3)+(419!=x0)!=(x3+x1)+(326!!x3))*(((x1&&x2)!=(827>=x2))>=(x3*x1!=(792>=210)))&&(((x3-x3)*(773==559)>=((x2<=x1)!=x0*403))<(((499>675)==(627<=249))<=(818&&x2)*(944*x2)))<(((544!=291)+(613>=748)&&(875&&456)+x1*x2)<((578(x2==840)*(218&&x0))))==((((((x1==282)<(742>834))<((910<=22)==904-205))>((379+x2&&947+438)<=(x0>402!!757>=885)))>(((518-x3)-(x0!=x2)<=((123!=x1)<(x1!=894)))<=(((767&&x0)>(585!!x1))>=(x3&&x2)*(970>354))))==(((x1+x1)+(x1!!452)!=(671>=560)*(335<713))-(((x3!=851)>(487>x3))<=(x2*x2<(632!!531)))<(((x0&&91)-(438>=454)<(x2&&748)+(745