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

pair<long long, long long> extgcd(long long a, long long b, long long c) {
	if (b == 0) return make_pair(c, 0);
	long long x, y;
	tie(x, y) = extgcd(b, a % b, c);
	return make_pair(y, x - a / b * y);
}

int gcd(int x, int y) {
	if (y == 0) return x;
	return gcd(y, x % y);
}

string create(int x, char c) {
	if (x >= 10100) x = 10100;
	string s(1, c);
	for (int i = 0; i < x - 1; i++) {
		s += c;
		s += "C";
	}
	return s;
}

int main() {
	int x, y, z;
	cin >> x >> y >> z;

	int g = gcd(x, y);

	if (z % g != 0) {
		cout << "mourennaihasimasenn" << endl;
		return 0;
	}

	x /= g;
	y /= g;
	z /= g;

	long long a, b;
	tie(a, b) = extgcd(x, y, z);

	long long A, B;

	const int N = 1e8;

	a -= y * N;
	b += x * N;

	for (long long i = 0; i <= 2 * N; i++) {
		if (abs(A) + abs(B) > abs(a) + abs(b)) {
			A = a;
			B = b;
		}
		a += y;
		b -= x;
	}
	cerr << A << " " << B << endl;

	string ans;
	if (B == 0) {
		ans = create(abs(A), 'c');
	} else if (A == 0) {
		ans = create(abs(B), 'w');
	} else if (A > 0 && B > 0) {
		ans = create(abs(A), 'c') + create(abs(B), 'w') + "C";
	} else if (A < 0) {
		ans = create(abs(B), 'w') + create(abs(A), 'c') + "W";
	} else if (B < 0) {
		ans = create(abs(A), 'c') + create(abs(B), 'w') + "W";
	}

	if (ans.size() > 10000) {
		cout << "mourennaihasimasenn" << endl;
	} else {
		cout << ans << endl;
	}
}