use std::io::stdin;
fn main() {
    let inp = input();
    let (a, b, c) = (inp[0], inp[1], inp[2]);
    println!("{}", solve(a, b, c));
}

fn input() -> Vec<i32> {
    let mut a = String::new();
    stdin().read_line(&mut a).unwrap();
    return a.trim().split_whitespace().map(|e| e.parse().ok().unwrap()).collect::<Vec<i32>>();
}

fn solve(a: i32, b: i32, c: i32) -> i32 {
    let plan_a = a * c;
    let plan_b = b;
    std::cmp::min(plan_a, plan_b)
}