import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    }	
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
	public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    }	
} Main public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    } main {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) final int NUM; NUM final int DURATION; DURATION final int TIMELIMIT; TIMELIMIT String str = br.readLine(); str br.readLine() br.readLine br DURATION = Integer.parseInt(str.split(" ")[0]) DURATION Integer.parseInt(str.split(" ")[0]) Integer.parseInt Integer str.split(" ")[0] str.split(" ") str.split str " " 0 NUM = Integer.parseInt(str.split(" ")[1]) NUM Integer.parseInt(str.split(" ")[1]) Integer.parseInt Integer str.split(" ")[1] str.split(" ") str.split str " " 1 TIMELIMIT = Integer.parseInt(str.split(" ")[2]) TIMELIMIT Integer.parseInt(str.split(" ")[2]) Integer.parseInt Integer str.split(" ")[2] str.split(" ") str.split str " " 2 int total = 0; total 0 int nextCount = 1; nextCount 1 for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	} int i = 1; int i = 1; i 1 i <= TIMELIMIT i TIMELIMIT i++ i++ i {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	} {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	} if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		} i == nextCount * DURATION i nextCount * DURATION nextCount DURATION {
      			total += NUM;
      			nextCount++;
      		} total += NUM total NUM nextCount++ nextCount System.out.println(total) System.out.println System.out System System.out total String[] args args public class Main {
	public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    }	
} public class Main {
	public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    }	
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      	final int NUM;
      	final int DURATION;
      	final int TIMELIMIT;
      	String str = br.readLine();
      	DURATION = Integer.parseInt(str.split(" ")[0]);
      	NUM = Integer.parseInt(str.split(" ")[1]);
      	TIMELIMIT = Integer.parseInt(str.split(" ")[2]);
      	
      	int total = 0;
      	int nextCount = 1;
      	for (int i = 1; i <= TIMELIMIT; i++) {
      		if (i == nextCount * DURATION) {
      			total += NUM;
      			nextCount++;
      		}
      	}
      	System.out.println(total);
    }	
}
