Subarray Division

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

class Result {

    /*
     * Complete the 'birthday' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts following parameters:
     *  1. INTEGER_ARRAY s
     *  2. INTEGER d
     *  3. INTEGER m
     */

    public static int birthday(List<Integer> s, int d, int m) {
    // Write your code here
   
      int count=0;
      
      
      for(int i=0; i<s.size(); i++)
      {
         int num=0;
         int k =i;
         
        try
         {
         for(int j=0; j<m; j++)
         {
             
             num+=s.get(k);
             k++;
         }
        }
         catch(Exception e)
         {
             //System.out.println("");
         }   
         if(num==d)
         {
          System.out.println(num);
           count++;
         }
      }
      
      
      return count;
    }

}

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int n = Integer.parseInt(bufferedReader.readLine().trim());

        String[] sTemp = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

        List<Integer> s = new ArrayList<>();

        for (int i = 0; i < n; i++) {
            int sItem = Integer.parseInt(sTemp[i]);
            s.add(sItem);
        }

        String[] firstMultipleInput = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

        int d = Integer.parseInt(firstMultipleInput[0]);

        int m = Integer.parseInt(firstMultipleInput[1]);

        int result = Result.birthday(s, d, m);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}