s=input()[:4];
print (s==s[::-1])
program Unnamed;
uses crt;
function IsEqual(arg0 : Integer) : Boolean;
var flag : Boolean;
dig1, dig2, dig3, dig4 : Integer;
begin
dig1 := arg0 mod 10;
arg0 := arg0 div 10;
dig2 := arg0 mod 10;
dig3 := arg0 mod 10;
dig4 := arg0;
if(dig1 = dig4) and (dig2 = dig3) then
IsEqual := True
else
isEqual := False;
end;
writeln(IsEqual(4334));
end.
s=input()[:4];
print (s==s[::-1])
program Unnamed;
uses crt;
function IsEqual(arg0 : Integer) : Boolean;
var flag : Boolean;
dig1, dig2, dig3, dig4 : Integer;
begin
dig1 := arg0 mod 10;
arg0 := arg0 div 10;
dig2 := arg0 mod 10;
arg0 := arg0 div 10;
dig3 := arg0 mod 10;
arg0 := arg0 div 10;
dig4 := arg0;
if(dig1 = dig4) and (dig2 = dig3) then
IsEqual := True
else
isEqual := False;
end;
begin
writeln(IsEqual(4334));
end.