skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((x2+x3)+(186==567))*((367!=232)<=(x2==229)))*((576-x0&&x3>=27)+((636&&x1)!=(899&&342)))<(((394&&x3)-(551!=x3)==(559*x3)*(x0!=x3))>(((945>=x2)>(644&&606))>(308&&x3)*(x3-531)))&&(((698-646!!x2<=x0)!!x3>=x2&&895<=x0)!!((562<=303)>=(x0>=x0))==(547+x1)-658*x2)-((150-x2&&x3==521)-(611+x0!=(969<=646)))*((x3!!621)*(x2-x2)==((x3>759)<(x0==x0))))+(((((699!=948)>(767==x0))<(x0==x0)-(x0-686))==(((869<910)<=x1-221)<(x0*222>=(441!!x0))))>=(((x0!=x1)-(625>778))*((261>=x0)*(168==x2))>=((479*100==(x1<920))==(x2-666<(x3>x1))))&&(((x3>=66)*(x1-x2)<((x0!!384)!!864>=393))==((136<=x2)*(x1<=697)==(693*x2!!x2==x3)))*((x1-x1<=47+565)-(x3*x1!!(x1!!x3))>(610*x1!!x3<=476)-((209<x1)>=(165<=x3)))))*((((((570!!x3)!=x0+82&&(x3<x2)*(719&&x0))>=(578<x2!!447>=57)-((x2<x0)>(x2<=570)))<(((666!!x2)<=(689!!x2))<((173!=766)<(552<=32))&&(754+x0>=(477<=x1))+((x2==x0)>=(x2&&x2))))>=(((x1-x0)-(561-x1)>=((661>=x3)!=339+879)!!(911<x1&&x2<x2)!=(x3+x0!!x3*290))<=((466==x1!!82*x0)-(x3-x1==355+x2)<=(937<=x3!!x0!=x3)*(x3*x3!=(396&&x0)))))*((((x3==x3)==(x0!=x0))*(x1+23==824+465)==(((435!=162)<=836-x1)<=((x3==653)==x2-881))&&((555&&x1)&&453*x0!!x3*x2&&x3==905)<=((x1&&x2)>(19>=x1))+((447>841)+(x1==x3)))==(((x3+75>=(x0>565))>(675-973==(970<=320)))>=(957-x1==(917>x3)!!(184!=511)*(x0>849)))-(((452<=x2)<(503==461))<(x1>816)*(989+986))*((x1*x1!!x1-879)*((x1>=x0)>=(722>117)))));
write (y)