diff --git a/test1 b/test1
new file mode 100644
index 0000000..28c7145
--- /dev/null
+++ b/test1
@@ -0,0 +1,12 @@
+import time
+a = int(input())
+while a != 1 :
+    if a % 2 == 0:
+        a = a/2 
+        print(a)
+    else :
+        a = 3*a + 1
+        print(a)
+    time.sleep(0.5)
+else:
+    print(a)