var y;
var x0, x1, x2, x3;

x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((x1!=511)-(742<=496)==((x0<145)>=(964>61)))>(((266<624)>(x0>41))>(426+428==469+x2))!!((x1+x3)-(x1==514)==(442>x2)-x3*x1)>=((418+687)+927*x1<=(x3>=814)-(738<=x3)))*((((345!!x0)-(x3>=557))-(399>=x2!!647!=721)==((377&&436)&&x3*x2)+((x2>=x1)<x0-x3))!=(((x0!!70)==(54==982))!=((25>x3)!=790*669))+((116<=48)+(288>=676)<=((x0<x0)!=(x0<=958))))-(((x0==x1!!x3==880)<(504&&x2!!x3>=x1))<((x1-x0!!70!=633)!=((x2<=456)!=491+x1))&&(x2!=394&&x0+x2)+(x3>x0&&877-592)!=(((330==950)<=(x2&&x1))!=((713<=x2)!=(69<=x3))))*(((x0>=x2)+(x1-842)!!x1*15-(565!!x2))>((318<=x0)+(x1!=580)!=((x0&&x1)!=(x2>=x3)))!!(((x1!=941)>(x3>=x1))+(141<x3!!(x1!!474))!!(432==820)>833*x2&&(663>294)-(288>=x1)))<((((((x1!!714)!!x3+212)>((x1!!x1)>(x2>=x1)))==(x3+656>(426&&x3)!!(x2&&441)*(x2*421))&&((530>=878)>(204&&x3))*(684*852!!x1-259)-((921-x1)+(410<=571)>((782==x0)>=(x2!=x3))))>((((x3>=x2)==(193<x1))<=(x0==569)-(x1<635))+(778!=x2&&x0<x2!!x0*832&&x0!=903)!=(((92>x3)>=(x2<557))!=(886-x2<=(826!!x0)))*((x3*535<(360&&92))>=(x0!=295)+(x2-994))))<((((442>=218)<(246!!108))>=(x1<576)*(x3>243))*((654<35)*(x1>=x0)>=((x0>=532)>=(496!=271)))+((((82<x1)==(x2>42))<(x2+63>=(x3!=x0)))>(x0*x1-(734<x1)>=(x0-x3!=(813!!173)))))-((((x1!=668)>x0*x2)-(895-x0!=x2+726))-(((x1!!x3)<=531-x3)+((x3<x0)==x2*x2))!!((289>508&&567+775)<=((884>433)<(x1&&x0)))<=((657>517)+(281>x1)<((x2>827)<=(903!=x2)))));
write (y)