var f,g:text;
    k,a,b,c,d,n,p1,p2,q1,q2:integer;

begin
assign(f,'ecuatie.in');reset(f);
assign(g,'ecuatie.out');rewrite(g);
read(f,a,b,c,n);
for p1:=-c to c do
    if k<n then
    for p2:=-c to c do
     if k<n then
        if p1*p2=a then
                   for q1:=-c to c do
                   if k<n then
                       for q2:=-c to c do
                       if k<n then
                           if (p1*q2+p2*q1=b) and (q1*q2=c) then
                                                            begin
                                                            inc(k);
                                                            if k=n then
                                                                   begin
                                                                   a:=p1;
                                                                   b:=p2;
                                                                   c:=q1;
                                                                   d:=q2;
                                                                   end;
                                                            end;
p1:=a;
p2:=b;
q1:=c;
q2:=d;
if p1=1 then
        if p2=1 then
             if q1<0 then
                  if q2<0 then
                        writeln(g,'(x',q1,')(x',q2,')')
                        else
                        writeln(g,'(x',q1,')(x+',q2,')')
                      else
                      if q2<0 then
                        writeln(g,'(x+',q1,')(x',q2,')')
                        else
                        writeln(g,'(x+',q1,')(x+',q2,')')
                else
                if q1<0 then
                  if q2<0 then
                        writeln(g,'(x',q1,')(',p2,'x',q2,')')
                        else
                        writeln(g,'(x',q1,')(',p2,'x+',q2,')')
                      else
                      if q2<0 then
                        writeln(g,'(x+',q1,')(',p2,'x',q2,')')
                        else
                        writeln(g,'(x+',q1,')(',p2,'x+',q2,')')
        else
        if p2=1 then
             if q1<0 then
                  if q2<0 then
                        writeln(g,'(',p1,'x',q1,')(x',q2,')')
                        else
                        writeln(g,'(',p1,'x',q1,')(x+',q2,')')
                      else
                      if q2<0 then
                        writeln(g,'(',p1,'x+',q1,')(x',q2,')')
                        else
                        writeln(g,'(',p1,'x+',q1,')(x+',q2,')')
                else
                if q1<0 then
                  if q2<0 then
                        writeln(g,'(',p1,'x',q1,')(',p2,'x',q2,')')
                        else
                        writeln(g,'(',p1,'x',q1,')(',p2,'x+',q2,')')
                      else
                      if q2<0 then
                        writeln(g,'(',p1,'x+',q1,')(',p2,'x',q2,')')
                        else
                        writeln(g,'(',p1,'x+',q1,')(',p2,'x+',q2,')');



close(f);
close(g);
end.