From 7189b3656dea345842fe1d9dd3b36cc001e8cf04 Mon Sep 17 00:00:00 2001
From: MSilva95 <miguel-silva98@hotmail.com>
Date: Tue, 26 Nov 2019 12:02:33 +0000
Subject: [PATCH] add cases of overflow

---
 subjects/doop.en.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/subjects/doop.en.md b/subjects/doop.en.md
index 3f362370b..ece1b0783 100644
--- a/subjects/doop.en.md
+++ b/subjects/doop.en.md
@@ -10,6 +10,8 @@ The program has to be used with three arguments:
 - An operator
 - Another value
 
+You should use `Int64`.
+
 The following operators are considered valid: "+", "-", "/", "*", "%".
 
 In case of an invalid operator the programs prints `0`.
@@ -39,6 +41,10 @@ student@ubuntu:~/piscine-go/test$ ./doop 1 % 0 | cat -e
 No Modulo by 0$
 student@ubuntu:~/piscine-go/test$ ./doop 9223372036854775807 + 1
 Overflow
+student@ubuntu:~/piscine-go/test$ ./doop -9223372036854775809 "*" 3
+Overflow
+student@ubuntu:~/piscine-go/test$ ./doop 9223372036854775807 "*" 3
+Overflow
 student@ubuntu:~/piscine-go/test$ ./doop 1 "*" 1
 1
 student@ubuntu:~/piscine-go/test$ ./doop 1 "*" -1