#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define all(a)  (a).begin(),(a).end()
#define pb push_back
#define INF (1e9+1)
//#define INF (1LL<<59)


int extgcd(int a, int b, int& x, int& y) { int d = a;
    if (b != 0) {
        d = extgcd(b, a % b, y, x);
        y -= (a / b) * x;
    } else {
        x = 1; y = 0;
    }
    return d;
}

int f(int x){
    if(x>0)return 2*x-1;
    else if(x==0)return 0;
    else return 2*abs(x)+3;
}

void g(int a,int x){
    if(x>0){
        rep(i,x)cout<<'c';
        rep(i,x-1)cout<<'C';
    }else if(x==0)return ;
    else{
        rep(i,abs(x)+2)cout<<'w';
        rep(i,abs(x)+1)cout<<'W';
    }
}


int main(){
    int a,b,c;
    cin>>a>>b>>c;
    if(c%__gcd(a,b)!=0){
        cout<<"mourennaihasimasenn"<<endl;
        return 0;
    }
    int x,y;
    extgcd(a,b,x,y);
    x*=c;
    y*=c;
    int sum=1;
    sum+=f(x);
    sum+=f(y);
    if(sum>10000){
        cout<<"mourennaihasimasenn"<<endl;
        return 0;
    }
    else{
        g(a,x);
        g(b,y);
        cout<<'C'<<endl;
    }

}