read (x0); read (x1); read (x2); read (x3); y := (((((489>=928)>(962==x1))<=(x3*x0)*(x3+57))<(789*213)*(x0+790)+(216<181!!x1>=617)!!(104-x2>(x1&&x0)&&(x3!=x2)<922*x0)==(((x3<=x1)<(38>549))==(x3-305>635+x0)))-((((x2<=x3)*(314>x2)>=(x0-630!!x3>=x3))<((x1==x2)-(617+x1))+(x0+831!!x3527))+((x2<=485)<(341&&x3))))<=(((((x2<=x1!!x0>x2)<=(x0+x3&&x1+x1))<(((936&&360)<=(x1<127))<=(506*593!=(637>x1))))<=(((x0>x3&&x3>=x1)>(945+x0>=(x0>x3)))<(((976>=x3)==(274>=475))>=(521==x1)+(643>x2))))!=((((x0&&x0)*(x2!=715)==((x1>=588)!=(957=x2)!=(40!=540))))>((x2=862)!=(971!=x2))&&(x1&&x2)-(x3<=x2)<(x3+x3)*(x1!!285))>(((860!!x0)==(948>x0))*((x1!!x2)-(x1&&x3)))*((x3-360!=(x1!!613))<=((x0>758)==(393>=788))))*(((983*307>(673==476))-((x2>x1)==(x2>863))==((375>x0!!x3==347)==((529!!x3)>=(x1!=x3))))==(((487<311)==(x1<=x2))+((952((x2!=x3)>=(x1!!646))+((x0<760)<=(50!=x3))))==((((565*x3==(660<=x1))+(x2==x3!!x1>=x2)==((x2&&x2)>(x0==x1)&&x0-x2=((((713!!748)>=(63=((99!=x2)<(883==x3)))==(249-490>=(924&&x1))+((x3=(113==x3))))>=(((((x1!=x1)!=(x1<=296))>=(x2>=x0)+(109-632))>((784<=471)==432*252)*(x0*627!=(57&&149)))>(((x2-653!!462<=87)!!(739<=x2)*(x3-x1))!=(501-10>=(x3<=x2)&&(x1!!x0)!=(347!=800)))))); write (y)