From 2089d4e95fa522389b9f07f1857b9436e0610c7c Mon Sep 17 00:00:00 2001
From: Ethan <ethanj955@gmail.com>
Date: Thu, 19 Oct 2023 11:08:37 -0700
Subject: [PATCH] Ethan J

---
 .idea/misc.xml  |  2 +-
 src/MyMath.java | 29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/.idea/misc.xml b/.idea/misc.xml
index d15472f..5d30da4 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_20" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/MyMath.java b/src/MyMath.java
index 7da9a29..408a890 100644
--- a/src/MyMath.java
+++ b/src/MyMath.java
@@ -2,6 +2,35 @@
 
 public class MyMath {
 
+    public static int gcf(int a, int b) {
+        while (b != 0) ;
+        {
+            if (a > b) {
+                int c = b;
+                b = a % b;
+                a = c;
+            } else{
+            b = b % a;
+        }
+        }
+            return a;
+    }
     public static void main(String[] args) {
+        Scanner s = new Scanner(System.in);
+        String input1, input2 = null;
+String message = "Give me a %%s number (Q to quit): ";
+
+        System.out.println(String.format(message, ""));
+        while(!(input1 = s.nextLine()).equals("Q")){
+            if(input2 == null) {
+                input2 = input1;
+                System.out.println(String.format(message, "Second "));
+                continue;
+            }
+            System.out.printf("GCF of %d is %d%n", input1, input2,
+                    gcf(Integer.parseInt(input1),Integer.parseInt(input2)));
+
+            System.out.println(String.format(message, ""));
+        }
     }
 }