diff --git a/06-sum/index.js b/06-sum/index.js
index 1720b26..315dafd 100644
--- a/06-sum/index.js
+++ b/06-sum/index.js
@@ -1,4 +1,8 @@
 export function sum(values) {
   // implementar logica aqui
-
+  let soma = 0;
+  for( let index = 0; index < values.length; index += 1 ) {
+      soma = soma + values [ index ] ;
+  }
+  return soma;
 }
\ No newline at end of file