diff --git a/templates/template.cpp b/templates/template.cpp
index c65ef2c..409510c 100644
--- a/templates/template.cpp
+++ b/templates/template.cpp
@@ -75,6 +75,9 @@ auto operator>>(istream  &is, vector<vector<v>> &vec)->istream& {
     return is;
 }
 
+const int oo = INT32_MAX >> 1;
+const ll OO = INT64_MAX >> 1;
+
 
 void pre()
 {