Update README.md

Dongdongshe · web-flow · commit 277a2cad4e6e · 2019-05-13T11:08:10.000-04:00
diff --git a/README.md b/README.md
@@ -29,4 +29,7 @@ If you want to try NEUZZ on a new program,
 ## Sample programs
 Try 10 real-world programs on NEUZZ. Check setup details at programs/[program names]/README.
 
+## Contact
+Feel free to send me email about Neuzz. dongdong at cs.columbia.edu
+
 
