m=int(input())

if m<=60000-2:
    S="c"*m+"on"
    print(S)
    exit()

ans="no"
cnt=0
while(m>0):
    x=2**cnt
    ind=m%4
    ans+="c"*ind
    m//=2
    if m==0:
        break
    ans+="o"*x
    ans+="n"*x
    ans+="o"*x
    cnt+=1

print(ans[::-1])