#include<stdio.h>
int main()
{
    int A, N, B, X;
    scanf("%d %d %d", &A, &N, &B);

    X = A * N;

    if(X < B)
    {
        printf("%d", X);
    }
    else
    {
        printf("%d", B);
    }
    return 0;
}

