#include <bits/stdc++.h>

using namespace std;
const long long mod=1e9+7;
long long countArray(int n, int k, int x) {
    // Return the number of ways to fill in the array.
    long long base=k,ans=1;
    n-=3;
    while(n--)
    {
        ans*=base;
        ans%=mod;
    }
    return ans%mod;
}

int main() {
    int n;
    int k;
    int x;
    cin >> n >> k >> x;
    long long answer = countArray(n, k, x);
    cout << answer << endl;
    return 0;
}