diff --git a/lab1/10215501425.sh b/lab1/10215501425.sh
new file mode 100644
index 0000000..58bb280
--- /dev/null
+++ b/lab1/10215501425.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+
+for i in {1..1000};
+do
+    echo $RANDOM|md5sum|cut -c 1-9 ;
+done >> data;
+
+sort data|uniq;
+sort -n data|uniq;
+
+sort -n data|uniq > data1;
+sort -n data|uniq >> data2;
+
+
+grep -o "aa" data1|wc -l;
\ No newline at end of file