diff --git a/src/main/java/core/basesyntax/BooleanExpression.java b/src/main/java/core/basesyntax/BooleanExpression.java
index f8cfc8e..4507de5 100644
--- a/src/main/java/core/basesyntax/BooleanExpression.java
+++ b/src/main/java/core/basesyntax/BooleanExpression.java
@@ -14,6 +14,12 @@ public class BooleanExpression {
      * без использования конструкций if-else</p>
      */
     public boolean booleanExpression(boolean a, boolean b, boolean c, boolean d) {
-        return false;
+
+        return (a && b && !c && !d)
+                || (a && c && !b && !d)
+                || (a && d && !b && !c)
+                || (b && c && !a && !d)
+                || (b && d && !a && !c)
+                || (c && d && !a && !b);
     }
 }