#include <bits/stdc++.h>
using namespace std;

#define nl '\n'
using ll = long long;

#ifdef LOCAL
#include "algo/debug.h"
#else
#define dbg(...)
#endif

void solve() {
  int a, b, c;
  cin >> a >> b >> c;
  cout << min(c * a, b) << nl;
}

signed main() {
  ios_base::sync_with_stdio(0), cin.tie(0);

  int tc = 1;
  // cin >> tc;
  while (tc--) {
    solve();
  }
}