diff --git a/src/problem4.py b/src/problem4.py
new file mode 100644
index 0000000..51463bc
--- /dev/null
+++ b/src/problem4.py
@@ -0,0 +1,7 @@
+result = 0
+
+for i in range(100, 999):
+    for j in range(100, 999):
+        if str(i * j) == str(i * j)[::-1] and i * j > result: result = i * j
+
+print(result)