x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((((952&&961!!x2!=461)!=(x2<=819)+(391&&587))>(609*728>183-639)-(x2*x3<(x2!=x2)))!=((x2+822!!554+x1)<(x3+335)+(628>495))*((217==x3&&x3<566)+((517==x2)<(102<986))))>(((799*678>=(315!!x3))<=(618!!378)+(x3+x2))<=((x2<x3)-(220<675)<=(600==x2)*(x1*x2))&&(((x1&&x1)>=(x1==443))<(846+x0>(481&&77))!!((762<x3)<=(x1&&137))<((874&&x2)&&(417!!x2)))))==((((x1<x2)<x0*5!!(836==997)<(518<=x1))&&((38<=716)==(x2>=x3))-(724+x0==(396&&426)))>((637-x3)+(945+696)<(153>122)*(x3==x1)&&(x0<x2&&599-960)<=(884<x3)*(x0-x1)))-((((529>=896)==(252>x1))>((x3>x0)<(67!=x2)))*((x0==x1)==(x2<x0)!!(976!=603)!=936*196)>((x2>541)<=(798&&988)!!136==x2&&(x2!!588))*((344&&x3!!x1&&853)>=(x3*x1)*(795+x0)))!!(((((x0>=727&&352==x1)&&x0-905>=(628!!29))&&((x3<x1)>=(636<514))-((900!!x0)+(x0+479)))!=((737>x0)*(x0>=x2)>((x3&&250)>(x0>=602)))-((x3+717)+(18&&60)!=(x0==344!!727>x1)))<(((x2-x3&&704<=x3)<=(434!=780&&(x3!!637))!!(872>x1&&678-x0)&&(362!!x0)<(x1!!x2))>((846*221+902*x0)*((x1!=x2)>128+x0))*((39>x0!!x0-x3)<((628==319)>(796==x0)))))!=((((577<705)!=(x3>x1)&&(x1<=x3)==(951>=x2))>=((846!!597)*(151<=408)<=(481+36<=(262&&794)))&&(((574<591)<x1+920)!=(x1*129)*(x2*x0)&&((23&&413)<(778<=649)!!(924>=996)>=49*264)))>(((x2<874!!(463!!924))>(779+816&&x0==x2))*((694-x3!=(512<=x0))+((x3==46)==(x0&&x1)))!!(((408>x2)>(x0<788))*(710+371&&499!=x3))*(x2*x1==54+x3!!(x3&&x3)==(x2&&611)))));
write (y)