skip; x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((73+x1!=(99!=x1))<=((166!!967)!!27&&x2))+((x2-x3>x0*276)>((x0>=192)==(x0>=876))))-((x3>675!!x0<772)-((x2==444)>=(715x3)*((x3=x2))!!(987*159&&x0>=300)>((628!!x1)!!x3*574))&&((383!=x0)+(923<231)==(x1+x1)*(x2*548))<(x2*744!=x0-x0)+((x1>=x1)<=(x2<=657))))!=(((x1&&197!!948(x0-x1<=(32!=x0))))==((773!=x0&&507>944!!(x0!=x2)==(255&&228))>((x2>=x0)==(x2!!904))+((x2>x2)!=(x1<=x0))))-((((x3!=364)<=(x2<=x3)!!(972>x1)!=(754!!x3))+((x1>x1)+x3*x0)*((x2&&x2)-(x1=x3)-(x1&&955)>=(x0!=x0)+(x1!!x2))!=(((789==x1)>926-553)!=((484>x2)<744*x2))))!!((((x2>=315)*(x3&&x0)==(549<307)*(x1<=421)&&(x1-733==x0-142)<(65!=324)+(x2==x0))>((((0!=x3)>=(x2!!x1))>=x1*529+(x0>=382))!=((293+64==x2-189)>((37((x2&&505)>(523==725)&&(317==x2!!412-229)))>=(((x1&&899)>(497==323)&&((522!!x0)!!696-80))==(x0-941!=(529!=498)!!(x3<55)+(207!=x3))))!!(((626>x1)+(469>=787)<=((x2&&529)!=(666!=x0))&&(43*5==(x0!!655))!=(x3-593<=951-x3))<=((((x2>x3)==(875>=x0))<(x0&&360)*(590!!x0))>=(((x3>x0)>=880*425)<=((x0(((964&&215)-(138!!202)>=((370=x2)))>=((x0<748)-(242!=x1))-((704-880)-(855&&160))!!(((696=((x2>=515)==x0+x0)+((x2>=x3)<=(237<339))))); write (y)