import java.util.*;
public class Main {
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    } main {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double sec = sc.nextInt(); sec sc.nextInt() sc.nextInt sc int num = sc.nextInt(); num sc.nextInt() sc.nextInt sc double maxSec = sc.nextInt(); maxSec sc.nextInt() sc.nextInt sc sc.close() sc.close sc maxSec += 0.5 maxSec 0.5 double mult = maxSec / sec; mult maxSec / sec maxSec sec System.out.println((int)mult * num) System.out.println System.out System System.out (int)mult * num (int)mult num String[] args args public class Main {
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    }
} public class Main {
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    }
} Main
import java.util.*;
public class Main {
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    double sec = sc.nextInt();
    int num = sc.nextInt();
    double maxSec = sc.nextInt();
    sc.close();
    maxSec += 0.5;
    double mult = maxSec / sec;
    System.out.println((int)mult * num);
    }
}