diff --git a/src/Julia/005.jl b/src/Julia/005.jl
new file mode 100644
index 0000000..dbd11a2
--- /dev/null
+++ b/src/Julia/005.jl
@@ -0,0 +1,30 @@
+function mastermind(lst_1, lst_2)
+    index_match = 0
+    match = 0
+    for (idx, element) in enumerate(lst_1)
+        if lst_1[idx] == lst_2[idx]
+            index_match += 1
+            continue
+        end
+        if element in lst_2
+            match += 1
+        end
+    end
+    return (index_match, match)
+end
+
+check_1 = [2, 6, 0, 7]
+check_2 = [1, 4, 0, 6]
+println(mastermind(check_1, check_2))  # (1, 1)
+
+check_1 = [2, 6, 0, 7]
+check_2 = [3, 5, 9, 1]
+println(mastermind(check_1, check_2))  # (0, 0)
+
+check_1 = [2, 6, 0, 7]
+check_2 = [1, 6, 0, 4]
+println(mastermind(check_1, check_2))  # (2, 0)
+
+check_1 = [2, 6, 0, 7]
+check_2 = [2, 6, 0, 7]
+println(mastermind(check_1, check_2))  # (4, 0)