#include <iostream>
#include <cstdio>
#include <vector>
#include <cmath>
#include <cstring>
#include <numeric>
#include <algorithm>
#include <functional>
#include <array>
#include <map>
#include <queue>
#include <limits.h>
#include <set>
#include <stack>
#include <random>
#define rep(i,s,n) for(long long i = (s); (n) > i; i++)
#define REP(i,n) rep(i,0,n)
#define RANGE(x,a,b) ((a) <= (x) && (x) <= (b))
#define POWT(x) ((x)*(x))
#define ALL(x) (x).begin(), (x).end()
#define MODI 10000
#define bitcheck(a,b)   ((a >> b) & 1)
#define bitset(a,b)      ( a |= (1 << b))
#define bitunset(a,b)    (a &= ~(1 << b))
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
signed main() {
	ll x, y, z;

	scanf("%lld %lld %lld", &x, &y, &z);
	if (z == 0) {
		printf("ccW\n");
		return 0;
	}
	ll ax = 50000, ay = 50000;
	REP(i, 20002) {
		REP(j, 20002) {
			if (((i - 10001)*x + (j - 10001)*y) == z) {
				if ((abs(ax) + abs(ay)) > (abs(i - 10001) + abs(j - 10001))) {
					ax = i - 10001;
					ay = j - 10001;
				}
			}
		}
	}
	if (ax == 50000) {
		printf("mourennaihasimasenn\n");
		return 0;
	}
	
	string ans;
	REP(i, -ax) {
		ans += "c";
	}
	REP(i, -ay) {
		ans += "w";
	}
	REP(i, ax) {
		ans += "c";
	}
	REP(i, ay) {
		ans += "w";
	}
	int Csum = 0, Wsum = 0;
	if (ax > 0) Csum += ax;
	if (ay > 0) Csum += ay;
	Csum--;
	if (ax < 0) Wsum += -ax;
	if (ay < 0) Wsum += -ay;
	REP(i, Csum) {
		ans += "C";
	}
	REP(i, Wsum) {
		ans += "W";
	}
	if (ans.length() > 10000) {
		printf("mourennaihasimasenn\n");
	}
	else printf("%s\n", ans.c_str());
	return 0;
}