read (x0); read (x1); read (x2); read (x3); y := (((((390==x3)<=(x0==88)&&(277<=991)*(x0&&167))==(((274>600)>(x0>=x3))==(x3+x0<(976<68))))-(((7-x2&&x3!=x1)>=((x0!!876)<=193+x3))<(((244!!771)>(x2!=313))==((x3!!384)&&803<704)))!!((948(453>x2))!!((x0&&x0)>=(x3>x2))+((159<=258)-x1*449))>=(((x0+626>=(x3>=972))>=65*x2-(x1<=963))>((x1<689!!x2<=755)<=(699-x2>=(x3==x2)))))!!((((34+182!!246==x0)==(x1(932+x3<=(827!!x0))))==((x3<153&&(423&&142))-((x3>866)>=(x1<=385))==((203<=x0)-(453>=129))-((435==610)<(99<456)))!!(((844>=x2)<(x0!!x1)!!(90&&x1)>(254>661))==((x2461)<=985-x3))<(((720==x1)-(784>=x3))-((353>481)!=(733>897)))+((653>395&&232=x0)*(x3!=x0)<((858<=x1)>(136==590)))<(((329!=220)*(x3*x1)==(x0<=897&&x1>=x0))>=(((x2&&642)<=(x2!!460))<((912>=905)<(601!!x3)))))<(((x1&&998)+(x2-436))*((x1<818)>(x0!=x0))>((x3>=x0&&x0*x1)<=(x3<554!!634>=902))!!((699!=x3)+(803=x2)!=(18>x0))+((582-x0)-(x2!!x1))<((x0!!x2)+(x1876&&x1!=x0)!!239*x1<(403>=x0)&&(x0<647)<(x1<=x1)))==((x2*549>(x0==x1)&&x2-x1==92-x1!!((x1<22)<=(x1!!x3))<=((x3==126)==(x1==x0)))<=(((x3*923>(x2((188!=x1)<(493&&x2)))>=(((557==58)>=(454<=541))==(x2>21)*(x1