#include <iostream>
#include <string>
#include <algorithm>
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	long long b, c, d;
	long long mod = 1000000007;
	cin >> b >> c >> d;
	b %= mod, c %= mod;
	if (c == 1) {
		cout << b * (d % mod) % mod << endl;
	}
	else {
		long long x = c;
		long long y = d;
		long long ans = 1;
		while (y > 0) {
			if ((y & 1) == 1) {
				ans = ans * x % 1000000007;
			}
			x = x * x % 1000000007;
			y >>= 1;
		}
		ans = (ans + mod - 1) % mod;
		ans *= c;
		ans %= mod;
		ans *= b;
		ans %= mod;
		x = (c + mod - 1) % mod;
		y = mod - 2;
		long long ans1 = 1;
		while (y > 0) {
			if ((y & 1) == 1) {
				ans1 = ans1 * x % 1000000007;
			}
			x = x * x % 1000000007;
			y >>= 1;
		}
		ans = ans * ans1 % mod;
		cout << ans << endl;
	}
}