#include <iostream>
#include <vector>
using namespace std;
#define rep(i,a,n) for (int i = 0; i < n; i++)

int rp() {
	int n;
	cin >> n;
	return n;
}

vector<int> input(int n) {
	vector<int>vec(n);
	rep(i, 0, n) {
		vec.at(i) = rp();
	}
	return vec;
}
int main() {
	int d = rp(), a = rp(), b = rp();
	cout << d * min(a, b);
}