Two Strings(HackerRank)

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

public class Solution {

    // Complete the twoStrings function below.
    static String twoStrings(String s1, String s2) 
    {
        // System.gc();
        String result = "NO";

            if(s1.equals(s2))
            {
                result = result.replace(result,"YES");
                return result;
            }

        for(int i=0;i<s1.length();i++)
        {
            if(0 <= s2.indexOf(s1.charAt(i)))
            {
                result = result.replace(result,"YES");
                return result;
            }
            // else if(i == 5)
            // break;
        }
        // System.gc();
        return result;
    }

    private static final Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) throws IOException {
        System.gc();
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int q = scanner.nextInt();
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        for (int qItr = 0; qItr < q; qItr++) {
            String s1 = scanner.nextLine();

            String s2 = scanner.nextLine();

            String result = twoStrings(s1, s2);

            bufferedWriter.write(result);
            bufferedWriter.newLine();
        }
System.gc();
        bufferedWriter.close();

        scanner.close();
    }
}