import java.util.*;

public class Main {
    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    }
} Main public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    } main {

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc int i = a; i a int j = 0; j 0 while(i <= t + 0.5){
            i += a;
            j += b;
        } i <= t + 0.5 i t + 0.5 t 0.5 {
            i += a;
            j += b;
        } i += a i a j += b j b System.out.println(j) System.out.println System.out System System.out j String[] args args public class Main {
    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    }
} public class Main {
    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int t = sc.nextInt();

        int i = a;
        int j = 0;

        while(i <= t + 0.5){
            i += a;
            j += b;
        }
        System.out.println(j);

    }
}
