import java.io.*;

import java.util.*;

import java.text.*;

import java.math.*;

import java.util.regex.*;

import java.io.*;

import java.util.*;

class stringException extends Exception{

stringException(String str){}

}

class zeroException extends Exception{

zeroException(String str){}

}

public class JavaTryCatch {

public static void main(String[] args) throws IOException,Exception {

/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */

//BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

Scanner sc = new Scanner(System.in);

// while(sc.hasNext()){

try{

int x = sc.nextInt();

int y = sc.nextInt();

//to check if number is 0 hence division by zero exception must be raised.

if(y == 0){

throw new Exception("/ by zero");

}

else{

//else we print the division result

int result = x/y;

System.out.println(result);

}

}

catch(Exception e){

System.out.println(e);

}

}

}