diff --git a/FLow_Q2_Krish.java b/FLow_Q2_Krish.java
new file mode 100644
index 000000000..6997e7fae
--- /dev/null
+++ b/FLow_Q2_Krish.java
@@ -0,0 +1,18 @@
+// Take two numbers and print the sum of both.
+import java.util.Scanner;
+class FLow_Q2_Krish 
+{
+    public static void main(String[] args) 
+    {
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter first number: ");
+        int num1 = sc.nextInt();
+        System.out.print("Enter second number: ");
+        int num2 = sc.nextInt();
+        
+        int sum = num1 + num2;
+        System.out.println("The sum of " + num1 + " and " + num2 + " is: " + sum);
+        
+        sc.close();
+    }
+}
diff --git a/Flow_Q1_Krishi.java b/Flow_Q1_Krishi.java
new file mode 100644
index 000000000..3a07cfb17
--- /dev/null
+++ b/Flow_Q1_Krishi.java
@@ -0,0 +1,26 @@
+class Year
+{
+    public static void main(String[] args) {
+        int year = 2024; // Example year
+        boolean isLeapYear = false;
+
+        // Check if the year is divisible by 4
+        if (year % 4 == 0) {
+            // If it is divisible by 100, check if it is also divisible by 400
+            if (year % 100 == 0) {
+                if (year % 400 == 0) {
+                    isLeapYear = true; // Divisible by 400, so it's a leap year
+                }
+            } else {
+                isLeapYear = true; // Divisible by 4 but not by 100, so it's a leap year
+            }
+        }
+
+        // Output the result
+        if (isLeapYear) {
+            System.out.println(year + " is a leap year.");
+        } else {
+            System.out.println(year + " is not a leap year.");
+        }
+    }
+}
\ No newline at end of file
diff --git a/lectures/20-trees/code/AVL/.project b/lectures/20-trees/code/AVL/.project
index a2380fe36..64a5a8be7 100644
--- a/lectures/20-trees/code/AVL/.project
+++ b/lectures/20-trees/code/AVL/.project
@@ -22,12 +22,12 @@
 	</natures>
 	<filteredResources>
 		<filter>
-			<id>1679078569810</id>
+			<id>1752585926556</id>
 			<name></name>
 			<type>30</type>
 			<matcher>
 				<id>org.eclipse.core.resources.regexFilterMatcher</id>
-				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
 			</matcher>
 		</filter>
 	</filteredResources>
diff --git a/lectures/20-trees/code/Questions/.project b/lectures/20-trees/code/Questions/.project
index a2380fe36..02f141e09 100644
--- a/lectures/20-trees/code/Questions/.project
+++ b/lectures/20-trees/code/Questions/.project
@@ -22,12 +22,12 @@
 	</natures>
 	<filteredResources>
 		<filter>
-			<id>1679078569810</id>
+			<id>1752585926573</id>
 			<name></name>
 			<type>30</type>
 			<matcher>
 				<id>org.eclipse.core.resources.regexFilterMatcher</id>
-				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
 			</matcher>
 		</filter>
 	</filteredResources>