diff --git a/5-vectors/oddeven.cpp b/5-vectors/oddeven.cpp
index 785db74..c8cb294 100644
--- a/5-vectors/oddeven.cpp
+++ b/5-vectors/oddeven.cpp
@@ -1,12 +1,13 @@
 #include <iostream>
 #include <vector>
 
+using namespace std;
 int main() {
 
   int total_even = 0;
   int product_odd = 1;
 
-  std::vector<int> vector = {2, 4, 3, 6, 1};
+  vector<int> vector = {2, 4, 3, 6, 1};
 
   for (int i = 0; i < vector.size(); i++) {
 
@@ -22,8 +23,8 @@ int main() {
 
   }
 
-  std::cout << "Sum of even numbers is " << total_even << "\n";
-  std::cout << "Product of odd numbers is " << product_odd << "\n";
+  cout << "Sum of even numbers is " << total_even << "\n";
+  cout << "Product of odd numbers is " << product_odd << "\n";
 
   return 0;