x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := ((((((546!=x3)>=502*x0)*((x2!=x2)>x1*x1)!!((421<=x1)!=(338>=x0))-(x3717)+(x0>461)>=(x0>859)*(x1+475))-(661-35&&459<=x2!!(749>62)*(498&&x1)))<=(((x1-x0&&921+x3)+(337==x3&&(463&&x1)))+(((265>x0)>x0+274)==(772=13*x0))<=(x2<=763&&x0>=660)*((x0!=x3)-(707>=x3)))))<((((x2&&x1!!66+41)-(763x1)<=(786!=x0))*((x3+x1)-(648>x0)))+((731&&x1)*(x2>x2)>=((x0<=x0)!=(806==x3))&&(x1&&x2)*(296==x0)<(55<531&&x2!=724))==((((527!=x3)-(644==x1))*((x1!=x0)+(473!!990))<=((103*740!=(45!!x3))<(762<=x3)*(x0+208)))==((241!=x1&&x0>=x0)*((x2>=507)-(61==615))!=((561&&941)>(221!!x2))-(934<=626)*(419*830)))))-((((((x1!!x0)!=(x1>545))>((175==577)>x3+269))<((355<=x0)*(x2<797)==((366!!x3)<=(x2>x3))))+((x1>x2)*(x2-x1)<=x0*136-(628!=840)!!(228-x3>=479+88)>=(x3&&53!!x0!=769))>(((374&&x2)*(792+850)-(x2-257&&(x3&&608))<=((x2<=178!!x0>=168)>=(695+x2>=599+63)))>(((x3-825)*(x1<612)<(x0>213!!(297!!975)))==(x1+415!=(37>=x1))*(461*x1+(x2<=972)))))>=((((334<=x3)<(x3!=x1))+((839!=x2)>=(459>=x1))!=((984<523)*(x2<=703))*(x1-x2<=(57!!266)))>=((x0&&x0)*(x2!=780)>((x2>=x2)==(x2<=x2)))-(((x0>969)==(x0&&518))>((x0>=214)>(222&&x1)))!!(((x3<391)+(x1!!729)<((181&&x1)<=(929==697)))<((x1&&x0)<=(782&&565)&&x1*111<=(844==707)))<(((x3>=x0)+(x3&&x2)!!(x2