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+/*Tyler Taormina and Isabella Mon
+ * CST 116
+ * 
+ * Project 2 
+ */
+
+#include <iostream>
+#include <iomanip>
+
+using namespace std;
+
+int GetData();
+void DisplayMenu (int&);
+void ProcessMenuChoice (int, int&);
+void IsPosNeg (int);
+void IsOddEven (int);
+
+int main() {
+    int User_Value = 2;
+    IsOddEven(User_Value);
+
+    return 0;
+}
+
+
+int GetData(){
+    //receives input from user within negative million and positive million.
+    int usr_data = 0;
+
+    cout << "Please enter the number you would like to tested: ";
+    cin >> usr_data;
+
+    if (usr_data < -1000000 || usr_data > 1000000 ){
+        cout << "Sorry. The number you have entered is out of bounds. Please try again." << endl;
+        GetData();
+    }
+    return usr_data;
+}
+
+
+void DisplayMenu(int& menu_choice) {
+    //displays the menu of functions for the user to choose from
+
+    cout << "1) Determine if the number is positive or negative.\n";
+    cout << "2) Determine if the number is odd or even.\n";
+    cout << "3) Determine the number of digits in the entered number.\n";
+    cout << "4) Determine what digit is at a given position in the number.\n";
+    cout << "5) Display Addition Table.\n";
+    cout << "6) Display Multiplication Table.";
+    cout << "7) Exit Program.\n\n";
+    cout << "Enter: ";
+    cin >> menu_choice;
+    if (menu_choice > 7 || menu_choice < 1) {
+        cout << "Invalid Entry. Please enter a  number from the options list provided." << endl;
+        DisplayMenu(menu_choice);
+    }
+}
+
+
+void ProcessMenuChoice (int menu_choice, int& usr_data) {
+    cout << "Processing.";
+}
+
+
+void IsPosNeg (int usr_data) {
+    // checks whether the number entered is positive or negative. 
+    // Displays appropriate message. 
+    if (usr_data < 0) 
+        cout << "The number is negative" << endl;
+    else if (usr_data > 0)
+        cout << "The number is positive." << endl;
+    else
+        cout << "The number is zero." << endl;
+
+}
+
+
+void IsOddEven(int usr_data) {
+    // checks if the user enterd number is odd or even.
+    // displays an appropriate message. 
+
+    if ((usr_data % 2) == 0)
+        cout << "The number is even." << endl;
+    else 
+        cout << "The number is odd." << endl;
+
+}
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