typedef long long ll;
typedef long double ld;
#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    ll h,w,k;
    std::cin >> h>>w>>k;
    set<string> se;
    ll ans = 0;
    function<void(string)> dfs = [&](string s){
        if(s.size()<h*w){
            for (int i = 0; i < k; i++) {
                dfs(s+(string){(char)(i+'0')});
            }
        }else{
            set<char> uni;
            for (auto e : s) {
                uni.insert(e);
            }
            if(uni.size()!=k)return;
            bool ok = true;
            string tmp = s;
            for (int i = 0; i <= h-1; i++) {
                for (int j = 0; j <= w-1; j++) {
                    for (int ii = 0; ii < h; ii++) {
                        for (int jj = 0; jj < w; jj++) {
                            tmp[(ii+i)%h*w+(jj+j)%w] = s[ii*w+jj];
                        }
                    }
                    if(se.find(tmp)!=se.end())ok=false;
                }
            }
            if(ok){
                // std::cout << s << std::endl;
                se.insert(s);
                ans++;
            }
        }
    };
    dfs("");
    std::cout << ans << std::endl;
}