diff --git a/src/main/java/Main.java b/src/main/java/Main.java
index 1dbc0cb..2384d64 100644
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -1,9 +1,41 @@
 /**
  * Created by iyasuwatts on 10/17/17.
  */
+
+
+import java.util.Scanner;
+
 public class Main {
 
     public static void main(String[] args){
 
+        int n;
+
+        Scanner scanner = new Scanner(System.in);
+
+        do {
+            System.out.print("Please enter a whole number greater than zero: ");
+            String inputString = scanner.next();
+            try {
+                n = Integer.parseInt(inputString);
+                //System.out.println("Correct int");
+                if (n <= 0) continue;
+                else break;
+            } catch (NumberFormatException ne) {
+                System.out.println("Input is not a whole number greater than zero.");
+                System.out.println("Please try again.");
+            }
+        } while (true);
+
+        int sum = 0;
+
+        if (n > 1) {
+            for (int i = 1; i <= n; i++) {
+                sum += i;
+            }
+            System.out.println("Sum is: " + sum);
+        }
+        else System.out.println("Sum is: " + n);
+
     }
 }