read (x0); read (x1); read (x2); read (x3); y := (((((x0==16)>(x0<=x2))>=((282&&x3)>(x1<107))&&(x0-x1!=(225&&161))-((x0>=706)!=(373>=x0)))>=(((796>x0)<=(x1<757))-(630==x1&&495==820)<((x0+857!!56!=53)>(382!=771)-(x0&&x3)))&&(((x1&&764!!971>39)*((424<=909)==(x2<=x2)))*((873+x0!=(108<=x0))<(187+x3!=(x3>828)))!!((288!!x1)*(x2>=407)>((x1!=376)>(510<=822)))==((x1>x1)+(x3>x3)!=396*x3+(x3-x0))))+(((((x3x2*x2&&x3+x1>=(824>=69))!=(((x2>=x0)<(x3!=x1)!!(453-173)+(145-216))!=(((x3=(x2=((922>=397)!=(x1!=x3))+(401-x3>(x0&&128)))>=(((487(x1==911))==(((x0<162)>(x3>=136))<=((x3!=265)(x2(x3-x2&&720==x2))!=((x2(361>=551))-(x1*x2>(40>x0)))==(((286>=300)-(747>x0))-((692&&204)+(x3+607))>=((157+x0!!x2!=x3)<=(925!=711)-(307<=900))))>((((160>40)!=(x0>x1))+((722<=180)!=(x3>=469))&&((858<171)>(x0>682))-(x2<=x3)*(x3!=374))&&(417*x1-(x0+x2)!=((x2>78)>=(276>x0)))-((165-x2)*(61>x1)&&(x3-x1)-(x1x3*x2))<((760!=x1&&925<=x2)>((x0>=27)!=(x1&&945))))<(((90+x0>=(420<286))>=((975<220)<(739!!x1)))==(((x2!=x1)<(x0<=x1))>=((x0>396)!=(x3&&x0)))))>=(((x2-x0!!x0<=830)!=((x3>=x0)!=(689<447)))!=(515*x3)*(523<=x3)-(x1>467&&x2<=x3))-(((x1-945)-(105>=151)==((669<=774)>=(x3<=x2)))-(((490>x1)<=(704>=854))>=((x1>=x2)