#include <bits/stdc++.h>
using namespace std;

#define _p(...) (void)printf(__VA_ARGS__)
#define forr(x,arr) for(auto&& x:arr)
#define _overload3(_1,_2,_3,name,...) name
#define _rep2(i,n) _rep3(i,0,n)
#define _rep3(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload3(__VA_ARGS__,_rep3,_rep2,)(__VA_ARGS__)
#define _rrep2(i,n) _rrep3(i,0,n)
#define _rrep3(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define rrep(...) _overload3(__VA_ARGS__,_rrep3,_rrep2,)(__VA_ARGS__)
#define all(x) (x).begin(), (x).end()
#define bit(n) (1LL<<(n))
#define sz(x) ((int)(x).size())
#define fst first
#define snd second
using ll=long long;using pii=pair<int,int>;using vb=vector<bool>;
using vi=vector<int>;using vvi=vector<vi>;using vvvi=vector<vvi>;
using vl=vector<ll>;using vvl=vector<vl>;using vvvl=vector<vvl>;
using vd=vector<double>;using vvd=vector<vd>;using vvvd=vector<vvd>;
using vpii=vector<pii>;using vvpii=vector<vpii>;using vvvpii=vector<vvpii>;
template <typename T> T read() {T t; cin >> t; return t;}

void minu(char c, int n, string &ret) {
  rep(i, n) {
    ret += 'W';
  }
  reverse(all(ret));
  rep(i, n) {
    ret += c;
  }
  reverse(all(ret));
}

void neg(char c, int n, string &ret) {
  rep(i, n+2) ret += c;
  rep(i, n+1) ret += 'W';
}

void pos(char c, int n, string &ret) {
  rep(i, n) ret += c;
  rep(i, n-1) ret += 'C';
}

string ERROR = "mourennaihasimasenn";

string solve() {
  int c = read<int>();
  int w = read<int>();
  ll Z = read<int>();

  if (Z == 0) return "ccW";

  if (c == 0 && w == 0) {
    return ERROR;
  }

  if (w == 0) {
    if (Z % c == 0) {
      int nc = Z / c;
      ll len = 2 * nc -1;
      if (len > 10000) return ERROR;
      string ret;
      pos('c', nc, ret);
      return ret;
    }
    else {
      return ERROR;
    }
  }
  if (c == 0) {
    if (Z % w == 0) {
      int nw = Z / w;
      ll len = 2 * nw -1;
      if (len > 10000) return ERROR;
      string ret;
      pos('w', nw, ret);
      return ret;
    }
    else {
      return ERROR;
    }
  }

  rep(nnc, 0, 5010) rep(pn, 2) {
    ll nc = nnc;
    if (pn) nc = -nc;
    ll rem = Z - nc * c;

    if (rem % w == 0) {
      ll nw = rem / w;
      //_p("%d,%lld\n", nc, nw);
      if (nc == 0) {
        if (nw < 0) {
          nw = -nw;
          ll len = 2 * nw + 3;
          if (len > 10000) continue;
          string ret;
          neg('w', nw, ret);
          return ret;
        }
        else {
          ll len = 2 * nw -1;
          if (len > 10000) continue;
          string ret;
          pos('w', nw, ret);
          return ret;
        }
      }
      else if (nw == 0) {
        if (nc < 0) {
          nc = -nc;
          ll len = 2 * nc + 3;
          if (len > 10000) continue;
          string ret;
          neg('c', nc, ret);
          return ret;
        }
        else {
          ll len = 2 * nc -1;
          if (len > 10000) continue;
          string ret;
          pos('c', nc, ret);
          return ret;
        }
      }

      else if (nc > 0 && nw > 0) {
        string ret;
        ll len = 2 * nc - 1 + 2 * nw - 1 + 1;
        if (len > 10000) continue;
        pos('c', nc, ret);
        pos('w', nw, ret);
        ret += 'C';
        return ret;
      }
      else if (nc > 0 && nw < 0) {
        nw = -nw;
        ll len = 2 * nc - 1 + 2 * nw;
        if (len > 10000) continue;
        string ret;
        pos('c', nc, ret);
        minu('w', nw, ret);
        return ret;
      }
      else if (nc < 0 && nw > 0) {
        nc = -nc;
        string ret;
        ll len = 2 * nw - 1 + 2 * nc;
        if (len > 10000) continue;
        pos('w', nw, ret);
        minu('c', nc, ret);
        return ret;
      }
      else if (nc < 0 && nw < 0) {
        nc = -nc;
        nw = -nw;
        string ret;
        ll len = 2 * nc + 3 + 2 * nw;
        if (len > 10000) continue;
        neg('c', nc, ret);
        minu('w', nw, ret);
        return ret;
      }
    }
  }

  return "mourennaihasimasenn";
}

void Main() {
  string ret = solve();
  cout << ret << endl;
  //cout << sz(ret) << endl;
}
int main() { cin.tie(nullptr); ios::sync_with_stdio(false); Main(); return 0; }