diff --git a/06_leapYears/leapYears.js b/06_leapYears/leapYears.js
index 681eeef..aec4afe 100644
--- a/06_leapYears/leapYears.js
+++ b/06_leapYears/leapYears.js
@@ -1,4 +1,13 @@
-const leapYears = function() {
+const leapYears = function(input) {
+if (input % 4 != 0) {
+    return false;
+}
+if(input % 4 == 0 && input % 400 == 0 || input % 100 != 0){
+    return true
+}
+if (input % 100 == 0 && input % 400 != 0) {
+    return false;
+}
 
 };
 
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);
   });
 });