diff --git a/ypp/unicode_basic_string.ypp b/ypp/unicode_basic_string.ypp
new file mode 100644
index 0000000..fdb347b
--- /dev/null
+++ b/ypp/unicode_basic_string.ypp
@@ -0,0 +1 @@
+print( "x∊(y∪z)∩w\n" )
\ No newline at end of file