diff --git a/06_leapYears/leapYears.js b/06_leapYears/leapYears.js
index 681eeef..c271454 100644
--- a/06_leapYears/leapYears.js
+++ b/06_leapYears/leapYears.js
@@ -1,5 +1,18 @@
-const leapYears = function() {
-
+const leapYears = function(year) {
+    if (year%4 === 0 ) {
+        if (year % 100 === 0) {
+            if (year % 400 === 0) {
+                return true;
+            }
+            else {
+                return false
+            }
+        }
+        return true;
+    }
+    else {
+        return false
+    }
 };
 
 // Do not edit below this line
diff --git a/06_leapYears/leapYears.spec.js b/06_leapYears/leapYears.spec.js
index 6fdaba9..2cd4110 100644
--- a/06_leapYears/leapYears.spec.js
+++ b/06_leapYears/leapYears.spec.js
@@ -4,19 +4,19 @@ describe('leapYears', () => {
   test('works with non century years', () => {
     expect(leapYears(1996)).toBe(true);
   });
-  test.skip('works with non century years', () => {
+  test('works with non century years', () => {
     expect(leapYears(1997)).toBe(false);
   });
-  test.skip('works with ridiculously futuristic non century years', () => {
+  test('works with ridiculously futuristic non century years', () => {
     expect(leapYears(34992)).toBe(true);
   });
-  test.skip('works with century years', () => {
+  test('works with century years', () => {
     expect(leapYears(1900)).toBe(false);
   });
-  test.skip('works with century years', () => {
+  test('works with century years', () => {
     expect(leapYears(1600)).toBe(true);
   });
-  test.skip('works with century years', () => {
+  test('works with century years', () => {
     expect(leapYears(700)).toBe(false);
   });
 });