diff --git a/rps.py b/rps.py
new file mode 100644
index 0000000..360830e
--- /dev/null
+++ b/rps.py
@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+t = ["rock","paper","scissors"]
+w = ["draw","win","lose"]
+p = lambda you,enemy: w[ t.index(you)-t.index(enemy)]
+
+if __name__ == "__main__":
+    from sys import argv
+    print(p(argv[1],argv[2]))
+