read (x0);
read (x1);
read (x2);
read (x3);
y := ((((368*x1+(x0!!516)==(x1+792>(x1<x3)))==(((66!=x3)>(330&&129))>=((135!=x3)<=(129<=x0))))-(((x1*117>(703!=x3))<=(x1+x1>=(x3<777)))<(((x2<109)<=(x0!=x2))==((x2>=x3)>=(x1!!x2))))==((((391&&x2)+(749+x1)!!(x3>643)==(x1>60))&&(222<=x1)*(204>88)!=(x3*x2<=(x3>670)))<((161&&x0)*(x3!=x1)!=(762<=x0&&(385&&475))&&(x2==99&&x0<=182)==((528!!389)<(748>x2)))))!=(((x1<x2)-(422<=143)<=((x0<x0)<=883+858)&&(x3*x1&&306-x1!!310*715>=212*x1))>=(((x0<=x3)-(595<=764))-(339>x2)*(x0+161)!!(694==x1)+(634!=532)&&(x1>786)!=(x0==980))!!((x1+15<(11<x1))>((x0&&x1)==(x0>=x3))&&((931!=x0)>=(x3<854)&&(16==x1)==(x3&&x3)))==((((x1!!x0)<=958*475)>=(582==305)*(x1>=386))>=(((x3==x3)==(x2!=855))<=((x0!=707)<=(120!=157))))))*((((((x0==x2!!x0-838)<(153+88)-(117!!588))!=((x1>x0)!=(488<x2))+((541>316)>=(528<x2)))-(((x1!!x3)+(x1-774)>=((299<=x2)!=(x3!=166)))!=(609*x1<=(x1!=x1)!!(x2<=581)==(171>x0))))+(((x1==x0)*(904>26)>(x3*x3)*(941>x3))*((x3>=x3!!95+x1)<(x2>=62)+(x0>x2))&&((x3&&x0)&&483<=499)*((25!!582)*(292-50))>=(((859==x1)!=x2+894)!=(x0>=364)-(268!=969))))-((((((x0>x1)>=(x0<=120))==(911<=x0!!104-283))>=(((x0==x3)<=755-x2)==(877!!961)+(x0<x1)))==((x0+521<(883==x2))!=((x3&&x3)>=(794>x3))&&(404!!975)*(891+x3)+((306==x3)>376*284)))<=((((x2==515)<=(661!!132))+(x1+x3!=(393>=840)))-((470*x1)*(683<=613)&&(638<=700)!=(843<x3))!!(x2*957-(x3<=x3)>=((343&&97)&&(243&&723)))*(((x1>785)>=(x0!=x3))-((x2>255)+(26-x3))))));
write (y)