from math import *
x,y,z=map(int,input().split())
v=w=t=6000;h=abs;r=range;p=print
if z==0:p("ccW");exit()
for a in r(-v,v):
 b=z-a*x
 if y:b//=y
 if (a!=0 or b!=0)and a*x+b*y==z and h(a)+h(b)<t:t=h(a)+h(b);v=a;w=b
if t+t-1>10000:p("mourennaihasimasenn")
else:
 s=v>0;l=r(h([v,w][s]));q=h([w,v][s]);o=""
 for i in l:p("cw"[s],end=o)
 for i in r(q):p("wc"[s],end=o)
 for i in r(q-1):p("C",end=o)
 if v>0and w>0:
  for i in l:p("C",end=o)
 else:
  for i in r(h([v,w][w<0])):p("W",end=o)
 p()