import std.algorithm;
import std.array;
import std.conv;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

int readint() { return readln.chomp.to!int; }
int[] readints() { return readln.split.map!(to!int).array; }

void main() {
    auto nab = readints;
    int n = nab[0], a = nab[1], b = nab[2];

    writeln(min(n * a, b));
}