x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((x1!=x0)<=(x1273)*(x1>636))<(((x3x0*x1)))==(((623<160)*(x1&&x2)&&(x1!!x2)==x1*423)>=((870>x2!!226==820)>=(583<22!!856*x2)))!!(((x2>=5!!328<=x3)<=((x3&&x2)>(253>=367)))!=((638-x2!=(478&&801))==((x1!!x3)!=(x2!=x0))))!=(((x1>=799)-(x1>=16)!=(477x1))<=(((148<698)!=(284&&x2))>(x2&&161)+(x0<=406))))-((((x0+557!!x1*x3)-(787*x2<=660+204))+((x3<=298)-(x3!!x1)&&(x0!!x0)*(x0>=x3))&&((550(x3+x1<(359=((x0!=x3!!484+421)>(772*x0!=(829>=x0)))!!(x0+x1!!667>679)-((317==x1)!=889-840)!=(((623(227&&21))<((x2<=844)!=(848!!x3)))))>((((x1+x1)-(20>x3)==(x0<895&&(895&&x3))!!(281*701==x1+x0)>=(889-999)+(415&&x0))+((((x1==946)!=(x3!=x0))>((x2>258)>=(x2!=x3)))>=((15!!x3)-(x1-290)!=((744==725)<(369!!380)))))+((((740=(x0>=x0)))>=(((x2=874)<=(x0-332!!(637!!x1)))>=((57-567!=(973=((638>=622)<(23==x1)))))<(((x3>x1)*(534<549)!=(x1-x2!=x0+800)!!(267>=939!!558>=x1)&&(x0>=103)-(263>x0))==((177+154&&952>=x2)!=(142>676&&818+x0)&&((x0<40)==(468!=942))>=(713-x0&&75>=x3))!!((x1-x0&&820-348)*((x1<=144)-(x1!!x3))!=(((x3<=571)<=(151!=x2))>(x1*x3!!x2+160)))+(((889!!x2)>=(x1<=468)&&(569!!x1)-(216!!x3))-(((x1!!x0)>(454<=622))+(x0>x3)*(x3*368))))); write (y)