diff --git a/src/_12_Закревський_Данило_Сергійович/lab3/ThirdLab.java b/src/_12_Закревський_Данило_Сергійович/lab3/ThirdLab.java
new file mode 100644
index 0000000..2c39381
--- /dev/null
+++ b/src/_12_Закревський_Данило_Сергійович/lab3/ThirdLab.java
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class ThirdLab {
+
+    public static void main(String[] args) {
+        Scanner scn = new Scanner(System.in);
+        System.out.print("Enter a string: "); 
+        String text = scn.nextLine();  
+        StringBuilder textBuilder = new StringBuilder(text); 
+        System.out.print("Enter a string to replace the words: ");
+        String replace = scn.nextLine(); 
+        System.out.print("Enter the length of the words to replace: ");
+        int length = scn.nextInt(); 
+        String[] words = textBuilder.toString().split("\\s+"); 
+        textBuilder.setLength(0);  
+        for(String word : words) {
+            if(word.charAt(word.length()-1) == '.' && word.length() - 1 == length) {
+                textBuilder.append(replace + ". "); 
+            } else if (word.charAt(word.length() - 1) == '!' && word.length() - 1 == length) {
+                textBuilder.append(replace + "! ");
+            } else if (word.charAt(word.length() - 1) == '?' && word.length() - 1 == length) { 
+                textBuilder.append(replace + "? ");
+            } else if (word.length() == length) {          
+                textBuilder.append(replace + " "); 
+            } else {
+                textBuilder.append(word + " ");
+            }
+        }
+
+        System.out.printf("Result: %s", textBuilder);
+        scn.close();
+    }
+}