diff --git a/Java/lab_1/lab_1.kt b/Java/lab_1/lab_1.kt
index 5562024..38039eb 100644
--- a/Java/lab_1/lab_1.kt
+++ b/Java/lab_1/lab_1.kt
@@ -2,7 +2,7 @@ fun protectedInput(variableName: String): Int {
     do {
         try {
             print("Enter $variableName: ");
-            return readln().toInt();
+            return readln().toInt()
         } catch (e: Exception) {
             println("${variableName.uppercase()} must be an integer!");
         }
@@ -10,12 +10,12 @@ fun protectedInput(variableName: String): Int {
 }
 
 fun main() {
-    val n: Int = protectedInput("n");
-    val m: Int = protectedInput("m");
-    val a: Int = protectedInput("a");
-    val b: Int = protectedInput("b");
+    val n: Int = protectedInput("n")
+    val m: Int = protectedInput("m")
+    val a: Int = protectedInput("a")
+    val b: Int = protectedInput("b")
 
-    val s: Float = (b + m).toFloat() / 2 * (m - b + 1) * (n - a + 1);
+    val s: Float = (b + m).toFloat() / 2 * (m - b + 1) * (n - a + 1)
 
     println("S = $s")
 }
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