read (x0); read (x1); read (x2); read (x3); y := ((((x3!!388)+(x2-281)>=((x2>651)<=(712!=36)))!=(3<=874&&(811!!960)!!(x3<=x3)<249*x2))<=((((473<393)<429-88)==(239*641!!x1==x3))<((x0==760)-258*x3)+(104*17==x3+x2)))-(((693x1+x2!!118*258!=(630!=x1))<((x2==x2)*(x2!=x1)<=(x3!!x3)-(x3<=x1))!!((x0*497!!x0>=x2)!!(338!=440)>=853+x3)==((219-x1>=(19>=938))<=((x3!!x1)&&x3>=x3)))==((((472<=974)<=(x3&&x2)!!(x2>=x0)!=783-x2)>=(x1217*781)>=((672!!x3)<=x0+706))>=(((x2=534)))>=(((x0&&473)>(777>=x0)!!(226&&8)=(834!=321))<=((142&&349)&&677+x3))&&((237&&748)==x3*497&&x0-550==(x3<838))<=((x1+x1!=129-x3)>=(755*10==(591<=x1)))))&&((((370==495)=x3))*((223!=731)*(x2<504)+(x1<428&&x1!=x0))<((793+x3>(674==717))!=((x2!!x1)<=(672=x0)>=(x2<70)-(300>162))&&((((110==x1)!=(x3!=x2))==(x1+986!=(608=((x2&&x0)<=237-8&&(259!=455)>x1*x3))==(((340!!x3)*(x3=x3!!767-x1)==(215-x3>=(854>=x0))!!(18!!147)+(358<657)==(382>=x1!!560>x1))&&(((875&&x3)>=(644(x2>x2)))-((x1((305>=x3)>=312*262)))<=((((x2(235&&x2)))>((x3+x0)-(535!!766)>=((828>487)<(x2>808)))&&((610<=x3)>=(x0<=x3))-((x1!!925)!!437>=x2)!=((x2<147!!69==x1)>(347