from math import *
x,y,z=map(int,input().split())
ma=mb=0
total=10000
if z==0:print("ccW");exit()
for a in range(-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 abs(a)+abs(e)<total:
  total=abs(a)+abs(e);ma=a;mb=e
if total+total-1>10000:
 print("mourennaihasimasenn")
else:
 for i in range(abs([ma,mb][ma>0])):
  print("cw"[ma>0],end="")
 for i in range(abs([mb,ma][ma>0])):
  print("wc"[ma>0],end="")
 for i in range(abs([mb,ma][ma>0])-1):
  print("C",end="")
 if ma<0:
  for i in range(abs(ma)):
   print("W",end="")
 elif mb<0:
  for i in range(abs(mb)):
   print("W",end="")
 else:
  for i in range(abs([ma,mb][ma>0])):
   print("C",end="")
 print()