diff --git a/A/04/16/02_hw.c b/A/04/16/02_hw.c
new file mode 100644
index 000000000..94c18961a
--- /dev/null
+++ b/A/04/16/02_hw.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int n,i,buff;
+    scanf("%d",&n);
+    int arr[n];
+    for (i=0;i<n;i++)
+    {
+        scanf("%d",&arr[i]);
+    }
+
+    if (n%2!=0)
+    {
+        printf("%d",arr[n/2]);
+    }
+    else
+    {
+        for (i=0;i<(n/2);i++)
+        {
+            buff = arr[i]-arr[n-i-1];
+            printf("%d\n",buff);
+        }
+    }
+    return 0;
+}