program ex;
var     s,d,e,f,dp,ep,h,i:longint;
begin
        readln(d,e,f,dp,ep,h);
        s:=1;
        for i:=1 to f do
                s:=s*2;
        if (dp>s div 2)and(ep>s div 2) then
                if abs(d-e)>h then
                        writeln('NO')
                else
                        writeln('YES')
        else
                if (dp<=s div 2)and(ep<=s div 2) then
                        if abs(d-e)>h then
                                writeln('NO')
                        else
                                writeln('YES')
                else
                        if abs((f-d)+(f-e))>h then
                                writeln('NO')
                        else
                                writeln('YES');
end.