Mars_Exploration.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

class Result {

    /*
     * Complete the 'marsExploration' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts STRING s as parameter.
     */

    public static int marsExploration(String s) 
    {
      // Write your code here
      int length = s.length();
      int value = length/3;
      int i,count=0;
      String S = "";
      for(i=1;i<=value;i++)
      {
          S = S+"SOS";
      }
      for(i=0;i<length;i++)
      {
          
          if(s.charAt(i)==S.charAt(i))
          {
              continue;
          }
          else
          {
              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")));

        String s = bufferedReader.readLine();

        int result = Result.marsExploration(s);

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

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