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