diff --git a/exercises/calculator.cpp b/exercises/calculator.cpp
index 013cc78..2923881 100644
--- a/exercises/calculator.cpp
+++ b/exercises/calculator.cpp
@@ -10,3 +10,27 @@
   Multiplication: 8
   Division: 2
 */
+#include <iostream>
+
+using namespace std;
+
+void FourOps(int x, int y)
+{
+  cout << "Sum: " << x + y << "\n";
+  cout << "Difference: " << x - y << "\n";
+  cout << "Multiplication: " << x * y << "\n";
+  cout << "Division: " << x / y;
+  return;
+  }
+
+int main()
+{
+  int first;
+  int second;
+  cout << "Insert first number: ";
+  cin >> first;
+  cout << "Insert second number: ";
+  cin >> second;
+  FourOps(first, second);
+  return 0;
+}
\ No newline at end of file