#include <bits/stdc++.h>
#define MOD 1000000007

using namespace std;

typedef long long ll;
typedef pair<int,int> ii;

void print(char f,char s,int a,int b,bool del){
    for(int ctr1=0;ctr1<a;ctr1++)
        cout<<f;
    for(int ctr1=0;ctr1<b;ctr1++)
        cout<<s;
    if(del){
        for(int ctr1=1;ctr1<b;ctr1++)
            cout<<'C';
        if(b>=1)
            cout<<'W';
        for(int ctr1=1;ctr1<a;ctr1++)
            cout<<'C';
    }
    else{
        for(int ctr1=1;ctr1<a+b;ctr1++)
            cout<<'C';
    }
}


int main()
{
    ll x,y,z;
    cin>>x>>y>>z;
    if(z==0){
        cout<<"ccW";
        return 0;
    }
    ll t,t2;
    for(int ctr1=1;ctr1<=5000;ctr1++){
        t=z-x*ctr1;
        if(t<0){
            t=-t;
            if(t%y==0){
                t2=t/y;
                if(ctr1+t2<=5000){
                    print('c','w',ctr1,t2,true);
                    return 0;
                }
            }
        }
        else if(t%y==0){
            t2=t/y;
            if(ctr1+t2<=5000){
                print('c','w',ctr1,t2,false);
                return 0;
            }
        }
    }
    swap(x,y);
    for(int ctr1=1;ctr1<=5000;ctr1++){
        t=z-x*ctr1;
        if(t<0){
            t=-t;
            if(t%y==0){
                t2=t/y;
                if(ctr1+t2<=5000){
                    print('w','c',ctr1,t2,true);
                    return 0;
                }
            }
        }
        else if(t%y==0){
            t2=t/y;
            if(ctr1+t2<=5000){
                print('w','c',ctr1,t2,false);
                return 0;
            }
        }
    }
    cout<<"NO";
    return 0;
}