diff --git a/07-sumEven/index.js b/07-sumEven/index.js
index bb1e095..15fa63c 100644
--- a/07-sumEven/index.js
+++ b/07-sumEven/index.js
@@ -1,4 +1,32 @@
-export function sumEven(value) {
-  // implementar logica aqui
-  
-}
\ No newline at end of file
+export function sumEven(arr=[]){
+    let soma = 0
+    if (arr.length == 0){
+        soma = 0
+        
+    }
+    else if (arr.length == 1 && arr[0] ==1){
+        soma = 1
+    }
+    else{
+        for (let i = 0; i < arr.length; i++){
+            if (arr[i] % 2 == 0){
+                soma += arr[i]
+            } 
+        }
+    }
+    
+    return soma
+}
+console.log(sumEven([]));
+console.log(sumEven([1]));
+console.log(sumEven([1, 2]));
+console.log(sumEven([1, 2, 3]));
+console.log(sumEven([1, 2, 3, 4]));
+console.log(sumEven([1, 2, 3, 4, 5]));
+console.log(sumEven([4, 6, 12, 5]));
+console.log(sumEven([9, 234, 312, 999, 21, 2311]));
+console.log(sumEven([533, 234, 23423, 32, 48876]));
+console.log(sumEven([-1, 5, -10, -45]));
+console.log(sumEven([-2, -7, -31]));
+console.log(sumEven([-2, 20, -31]));
+