read (x0); read (x1); read (x2); read (x3); y := (((((172<=x3)>=(756>=556))+(x0-x0&&x0643)==(x2==340))!!((x0+796>=4-341)<((x3!=x2)<=(539=((803*4>=x3+722)<=(855+x2!!x1==552)))!!((x3*x0==x1+x2)*(x0<466!!763==573)<=((87!!x2)<=(578&&x2))+((331>x0)>(329<=714)))<=((((652=(x0!=928)-(481-140))==((x0=(x0&&x3))*((x3==4)>=(61<=384))))!!(((((x1!!x2)<=692-x1)>=((753!!x0)=((498==x0!!291<=831)>=((x3<=370)>(x0!=572))))<=(((871==x2)+(795!=x2))*((964&&x0)>=(x2>=x3))>=(251-648>(473<=853))*((750&&x0)+(261>=978))))>=(((273=(362!!627))!=((x1<=x0)==(x0==x3))))*((((120>x2)==(478!=747))<=(x3>x0)+(x0<=89))-((x0<852)+x0*902<(621-269)-x0*349)))!=(((((x2+x0>(314==x1))>(x2+568)-(x2==206))==(x2*298+(562<=714))+((437!!360)!=(x0<=139)))>((((x1>67)>(x3<=x0))>=((52!!x3)<=138-x1))==((x2>x0!!x2<=x2)<((823!!x3)>=(813&&603))))!!(((x2>=297)>(x0!=286))+((x1!!x2)-(x1-x3))!!((160!!79)>=x2*x0)+(x0*x1&&571>=x1))-(((x2>x0)<=(716=(((((x0>=x1)<=(371!=545))>=(x3>907!!403*x0))*(((x3>x3)=x2)))==(((739==x0)-(395<776)<(188*915<(x2>779)))==((x2-x0)+(x3!=894))-((x3x2))!=((x3!!x0)&&x0!=x3))!=((x3>=x1)*(x1==765)<=(657!=80&&738>952)))*(((x0&&855)+(995<19)<(x1<=x2)-(408-x1))+(((202>=x1)>=(x0!!x1))>=((16>131)==(x0==241)))))); write (y)