x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((505==147)<=(x1>769))!=(648!!107)*(736&&x1))!=((x0>=x3)>x0*x3)+((128&&x0)==621-x2))*((((x2!=536)>521+352)==(x0!=x2)*(x0>=487))*(((477!=x3)+(997>211))+((480!=796)==(644>=x1))))!=((399*351<=(891==x1))<((x3!!531)>=(144<x2))!!((x2&&574)&&286>=x3)-(x0<=475)*(x1==x2))*(((x0>=x0&&x3<x0)!=((684&&220)<=(x1>469)))-(((x1<447)<(903<x2))>=(x3>=x2)-759*654))&&((((x3!!x3)>(126>=467))==(652!!x1)-(x0!=x3))-((220!=14)*(882+284)<((486!!779)<=x1+56))!=((754==x1)*(993!=993)!!(347>556)<x2*x2)*((532!=x2)-(x2&&x0)<(x0*362==(472<x2))))>=(((248<647)+(154<=117))-((x1<385)>=x1*x3)!=((86>69)<(298==379)&&(354&&308)>390+179)!!((x1==985)+(x2<x0)&&(x0!=x3)==(723&&558)!!((x0<=952)>=x2-x1)>=((x2>x2)!=801-x0))))>((((547!!516)>=504*x1)>(572+x1&&752<=x3)&&((x1<=x2)<898-x1)==(4<x1&&x2>=x1)!!((x3>=781!!x3<=715)+(687-220<=(896==x0)))+((890<=246&&(334!!x0))!=(661&&x0)-x3*x0))-((((894<x2)<=(852==x0)&&(x2&&x3)>=842*x2)!=(685<=146&&x1+x3)-(x3>615!!38!=x1))==(((447==x2)>(340&&x0))<11*x1-(x0&&940)!!((x2==x3)>=(x0>=630))<964*887-6*174))<=((((x3*402<(641!=x0)&&(581==x2)+(x3!=544))==((796>=x1)+x0*x2==(x3>32)*(x1>720)))<((((x2!!156)>=(958!=x1))<((663!=x0)<=x2*x1))<(x0*268+(x3<=x0)==(597-610<=(x0>=433)))))>((((x1>x2)>=(x1!=x0))-(274>x2&&(x3!!246))!!((382&&38)>=(x2>=92))>(x0>=x1)-(900-992))<((((189<x3)>(539<=x0))!=((x2==x0)>(621<=x3)))!=((494-655)*(x3+x0)>(x0>75)+(746>182))))));
write (y)