1 files changed, 9 insertions, 0 deletions
diff --git a/progs/a490.py b/progs/a490.py
new file mode 100644
index 0000000..c802fcc
--- /dev/null
+++ b/progs/a490.py
@@ -0,0 +1,9 @@
+def multiply_int(x, y):
+    if y < 0:
+        return -multiply_int(x, -y)
+    elif y == 0:
+        return 0
+    elif y == 1:
+        return x
+    else:
+        return x + multiply_int(x, y - 1)
+\ No newline at end of file