#include<cstdio>
#include<cmath>
#define MOD 1000000007
int main(void) {
	long long int B, C, D, E, x, c, i, j, ANS1, ANS2, ANS3;
    scanf("%lld%lld%lld", &B, &C, &D);
	
	B = B % MOD;
	C = C % MOD;
	

	E = MOD - 2;
	c = C - 1;
	ANS1 = 1;
	ANS2 = 1;
	ANS3 = B * C % MOD;

	if (C == 1) { printf("%lld\n", (B % MOD)*(D % MOD) % MOD); }

	else {

		for (i = 0; E > 0; i++) {
			if ((E & 1) == 1) { ANS1 = ANS1 * c % MOD; }
			E = E >> 1;
			c = c * c  % MOD;
		}

		for (j = 0; D > 0; j++) {
			if ((D & 1) == 1) { ANS2 = ANS2 * C % MOD; }
			D = D >> 1;
			C = C * C % MOD;
		}
		ANS2 = (ANS2 - 1) % MOD;

		x = (ANS1 * ANS2 % MOD) * ANS3 % MOD;

		printf("%lld\n", x);
	}
	return 0;
}