diff --git a/06_leapYears/leapYears.js b/06_leapYears/leapYears.js
index 681eeef..3c02171 100644
--- a/06_leapYears/leapYears.js
+++ b/06_leapYears/leapYears.js
@@ -1,5 +1,13 @@
-const leapYears = function() {
-
+const leapYears = function(year) {
+    return year % 4 === 0 && (year % 100 != 0 || year % 400 === 0);
+    // if(year % 4 == 0){
+    //     if(year % 25 == 0){
+    //         if(year % 400 == 0) return true;
+    //         return false;
+    //     }
+    //     return true;
+    // }
+    // 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);
   });
 });