skip; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((x3<=944)+(x3==x2)<((x3((x3*x0>=x2+x1)!=((39!!598)>(x3!=x0))))+((((x1==x1)<(834&&807))>=((479(x3!=x3)))>=(((410&&x0)&&x1-26)>=(x3-184&&(x1!!x0))))!!((x0+420==x3*512)<((x3==x0)!=(x1==996))!!(x3-x3!!x2+x1)>((x3<=x2)>=(x1!!x1)))>=((991-208&&x3!=x2)>((606!!400)==(31>=x3)))*((426=x0))))+(((((x1==781)<38*333)*((493<807)+(x2<352))!!((38>x3)<(x1!=x1))<((95&&x1)==(5<=69)))>((942-681)+x2*873!=(x3*x3<=(288!!x3))!!((x3>=114)-(906&&472)!!(x0>x1)-(x2==x1))))!=(((x1>x3)<=(57==x2))-((60>=792)+(x1==x1))==((405==442&&882>x2)==(x1&&668)+(x1&&x1)))-(((794==x0)<=589*x2)!=(x1<128)-(615&&898)!!(257!=x0)-(x0-x2)<=(235*x1!=(930>7))))!!(((((x1&&878)>=(69&&x2))>=((661>640)<=894*x0))*(((81!!x0)>(x0<=968))<(x2>=x1)-(653!=x3))&&((x1=721))>(((218<=x1)==x1+826)!=((x0>=63)<333+342)))!=(((x0!=x0)+(267==672)==(x2!=x3)+(749!=x2))==((171>=275)==x1+97)+(x3*x0&&(x2&&x2)))+(((x3>=x1)*(x2>=732)<(x1+x1&&87!=x3))-((273=((((104<=668)+(x1<=x1)&&x0+x1<=x1-152)==(x3-697>(x2483)*(942&&x3))!=((8*366>(x3&&930))*(x1-344<=(x1>x3))!!((263!!x1)<=(x1>x0))>=(281-310!!560<=x1))!!((179*67&&745-x0)-((x1!!525)<=(584<864))<=((x3==942)-(x3>x1)!=((983&&739)==(x1&&x1))))<(((x1==836)+(433<=600))*(x3-28!!(x3!!126))<=((x1<=x3)!=(x0!!x2))+(x3+302<(222>x0))))); write (y)