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 c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    }
} 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 c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    } main {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    } 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 c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int count=0 count 0 a1=a; a1 a while(a1<=c){
            count+=b;
            a1+=a;
        } a1<=c a1 c {
            count+=b;
            a1+=a;
        } count+=b count b a1+=a a1 a System.out.println(count) System.out.println System.out System System.out count 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 c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    }
} public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    }
} 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 c = sc.nextInt();
        int count=0,a1=a;
        while(a1<=c){
            count+=b;
            a1+=a;
        }
        System.out.println(count);
    }
}