diff --git a/script1 b/script1
new file mode 100644
index 0000000..26c7562
--- /dev/null
+++ b/script1
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+a=$1
+b=$2
+while [ $b -ne 0 ]
+do
+   temp=$b
+   b=$(($a % $b))
+   a=$temp
+done
+echo $a
\ No newline at end of file