diff --git a/tut31.cpp b/tut31.cpp
index bc521c6..f40b771 100644
--- a/tut31.cpp
+++ b/tut31.cpp
@@ -8,29 +8,30 @@ class Complex
     int a, b;
 
 public:
-    Complex(){
+    Complex();
+    Complex(int x, int y);
+    Complex(int x);
+    void printNumber();
+};
+ Complex::Complex()
+ {
         a = 0;
         b =0;
-    }
-
-    Complex(int x, int y)
-    {
+ }
+Complex::Complex(int x, int y)
+{
         a = x;
         b = y;
-    }
-
-    Complex(int x){
+}
+Complex::Complex(int x)
+{
         a = x;
         b = 0;
-    }
-
-  
-
-    void printNumber()
-    {
+}
+void Complex::printNumber()
+{
         cout << "Your number is " << a << " + " << b << "i" << endl;
-    }
-};
+}
 int main()
 {
     Complex c1(4, 6);