#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cstdlib>

int main() {
    long long x, y, z;

    std::cin >> x >> y >> z;

    int a, b, ma, mb, total;
    ma = mb = 100000;
    total = 100000;

    for (a = -1000; a < 1000; a++) {
        for (b = -1000; b < 1000 - a; b++) {
            if (a * x + b * y == z && abs(a) + abs(b) < total) {
                total = abs(a) + abs(b);
                ma = a;
                mb = b;
            }
        }
    }

    if (ma == 100000 && mb == 100000 || total + (total - 1) > 1000) {
        std::cout << "mourennaihasimasenn" << std::endl;
        return 0;
    }

    int count = 0;

    if (ma > 0) {
        for (int i = 0; i < abs(mb); i++) {
            std::cout << "w";
        }
        for (int i = 0; i < ma; i++) {
            std::cout << "c";
        }
        for (int i = 0; i < ma - 1; i++) {
            std::cout << "C";
        }
        if (mb < 0) {
            for (int i = 0; i < abs(mb); i++) {
                std::cout << "W";
            }
        } else {
            for (int i = 0; i < abs(mb); i++) {
                std::cout << "C";
            }
        }
    } else {
        for (int i = 0; i < abs(ma); i++) {
            std::cout << "c";
        }
        for (int i = 0; i < mb; i++) {
            std::cout << "w";
        }
        for (int i = 0; i < abs(mb) - 1; i++) {
            std::cout << "C";
        }
        if (ma < 0) {
            for (int i = 0; i < abs(ma); i++) {
                std::cout << "W";
            }
        } else {
            for (int i = 0; i < abs(ma); i++) {
                std::cout << "C";
            }
        }
    }

    std::cout << std::endl;

    return 0;
}