#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define se second
#define all(a) a.begin(),a.end()
int main(){
  int d,a,b;
  cin >> d >> a >> b;
  if(a>=b) cout << b*d << endl;
  else cout << a*d << endl;
  return 0;
}