#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using u32 = uint32_t;
using vi = vector<int>;    using vvi = vector<vi>;
using vb = vector<bool>;   using vvb = vector<vb>;
using vl = vector<ll>;     using vvl = vector<vl>;
using vd = vector<double>; using vvd = vector<vd>;

#define REP(i,n) for(auto i = 0 * (n), i##_len = (n); i < i##_len; ++i)
#define ALL(c) (c).begin(), (c).end()
#define FOR(i,s,n) for(ll i=s, i##_len=(ll)(n); i<i##_len; ++i)
#define TEN(x) ((ll)1e##x)
const ll mod = TEN(9) + 7;

bool cww(ll x, ll y) {
	if (x == 0 && y == 0) return false;
	if (x < 0) {
		if (-x + y + max<ll>(0, y - 1) - x > 10000) return false;
	} else if (y < 0) {
		if (-y + x + max<ll>(0, x - 1) - y > 10000) return false;
	} else {
		if (x + y + max<ll>(0, x - 1 + y) > 10000) return false;
	}

	if (x < 0) {
		REP(i, -x) cout << 'c';
		REP(i, y) cout << 'w';
		REP(i, y - 1) cout << 'C';
		REP(i, -x) cout << 'W';
	} else if (y < 0) {
		REP(i, -y) cout << 'w';
		REP(i, x) cout << 'c';
		REP(i, x - 1) cout << 'C';
		REP(i, -y) cout << 'W';
	} else {
		REP(i, x) cout << 'c';
		REP(i, y) cout << 'w';
		REP(i, y + x - 1) cout << 'C';
	}
	cout << endl;
	return true;
}

int main() {
	cin.tie(0);
	ios_base::sync_with_stdio(false);
	cout << fixed << setprecision(50);
	ll a, b, c; cin >> a >> b >> c;
	if (c == 0) {
		cout << "ccW" << endl;
		return 0;
	}

	REP(i, 5001) {
		if (b && (c - i * a) % b == 0 && cww(i, (c - i * a) / b)) return 0;
		if (b && (c + i * a) % b == 0 && cww(-i, (c + i * a) / b)) return 0;
		if (a && (c - i * b) % a == 0 && cww((c - i * b) / a, i)) return 0;
		if (a && (c + i * b) % a == 0 && cww((c + i * b) / a, -i)) return 0;
	}

	cout << "mourennaihasimasenn" << endl;

	return 0;
}