skip; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((x2*x2!!x3==53)>(811!!387)+x0*585)+((88+x0==(428<=x1))==(665*x1<10-x0))==((((x0!!x0)!=(x1<121))!=((504==840)!=(x2x1)>565+484))*((210+x3!!691!=634)!=(x1<472&&(x1!!x0)))==(((918&&666)&&740>=528)!=(72&&769)*(391>=890)&&((x0!=x2)<=(x1==x2))*((x3>=434)<(x3>=x0)))))<=((((657-x0!!363<94)-((x0<=178)<(x0>=723)))-((155x3))<((922*x3>(x2==762))-(x2+662)*(x2-x0))*((246>=x3!!607>=467)&&x0+x0==(839!!x2)))>(((x0>=653)+x1*x2<((x3!!107)==62*x3))!=((x2*415)*(x3>x0)==(270+757)+(263>32))&&((x3*x0&&96!=197!!(25<677)>=(881&&x1))!!((122!!x3)*(x2-x3)!!(39>x0)-(760<=x3)))))!!(((((x0<864)!=756+848)==((x2&&347)>=(x0=(671!=x0))<(60<=x2)-(x0&&920)))==(((11!=x2)<=(x0>=x1))>=(x2!=342!!x0+x3))*(((877<=x1)==(776>x2))>=(346*520<=(x1>59))))*((((16!!x0)-(685&&x3)<=(x2*x2&&(166!!426)))>=(((806!!x3)>327+x1)<((x0<125)==(382(469<=157))+(x0*x3>=896-305)>((306>=x1)>(190<=536))-((x1!!42)-(x2==x3))))<(((((x1<=x3&&128>=821)!=(450>=50)-(x0>=x1))==((208>x1)*(559>x3)>=(x2+296)-(x3!!x2)))!=((x2>838)+(681-573)<(447!=684!!458&&916))-(((762&&833)<=444+907)==(x3<=x0)*(769>774)))!=((((x2==x0)>=x0+x2)>=((653>x0)>=529-952))-((981!!x3)-x1*455!=((x0>702)<=(x2!!396))))+((((510>=x0)>=x1+406)>=(668+x3!!252-816))+((958+812!=x1-x1)+(815*124!!412