set Part1() and Part2() to protected

1 files changed, 2 insertions, 2 deletions

diff --git a/Day1.cs b/Day1.cs
index 979db5f..1e9abef 100644
--- a/Day1.cs
+++ b/Day1.cs
@@ -32,12 +32,12 @@ namespace aoc2019
             return total;
         }
 
-        public override string Part1()
+        protected override string Part1()
         {
             return $"{masses.Sum(FuelCost)}";
         }
 
-        public override string Part2()
+        protected override string Part2()
         {
             return $"{masses.Sum(FullCost)}";
         }