diff --git a/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-1.gif b/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-1.gif
deleted file mode 100644
index ca29dca..0000000
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diff --git a/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-2.gif b/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-2.gif
deleted file mode 100644
index 9465d61..0000000
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diff --git a/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-3.gif b/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-3.gif
deleted file mode 100644
index 53d45e8..0000000
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diff --git a/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-4.gif b/semester-4/ОПJа/lb-4/part5-gifs/part5-demo-4.gif
deleted file mode 100644
index 2c3602e..0000000
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diff --git a/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part1.java b/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part1.java
index 0e9b087..79df655 100644
--- a/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part1.java
+++ b/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part1.java
@@ -34,7 +34,9 @@ public class Part1 {
 
 			if (input.equalsIgnoreCase("stop")) {
 				break;
-			} else if (input.equals("Latn")) {
+			}
+
+			if (input.equals("Latn")) {
 				result = extractWords(fileContent, LATN_PATTERN);
 			} else if (input.equals("Cyrl")) {
 				result = extractWords(fileContent, CYRL_PATTERN);
diff --git a/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part2.java b/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part2.java
index 8dc9817..cecf766 100644
--- a/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part2.java
+++ b/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part2.java
@@ -14,11 +14,13 @@ public class Part2 {
 
 		InputStream stdin = System.in;
 
-		System.setIn(new ByteArrayInputStream(symin.getBytes(StandardCharsets.UTF_8)));
+		try {
+			System.setIn(new ByteArrayInputStream(symin.getBytes(StandardCharsets.UTF_8)));
+			WordContainer.main(args);
+		} finally {
+			System.setIn(stdin);
+		}
 
-		WordContainer.main(args);
-
-		System.setIn(stdin);
 	}
 
 }
diff --git a/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part3.java b/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part3.java
index 5005f23..8099494 100644
--- a/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part3.java
+++ b/semester-4/ОПJа/lb-4/task4/src/main/java/ua/nure/jfn/task4/Part3.java
@@ -25,6 +25,5 @@ public class Part3 {
 			ResourceBundle bundle = ResourceBundle.getBundle(BASE_NAME, locale);
 			System.out.println(bundle.getString(parts[0]));
 		}
-		scanner.close();
 	}
 }