diff --git a/Trebuchet/CalibrationPartOne.java b/Trebuchet/CalibrationPartOne.java
index ee1be4d..72210df 100644
--- a/Trebuchet/CalibrationPartOne.java
+++ b/Trebuchet/CalibrationPartOne.java
@@ -19,6 +19,9 @@ public class CalibrationPartOne {
       // BufferedReader br = new BufferedReader(new StringReader(coor))) {
       String line;
       while ((line = br.readLine()) != null) {
+        if (line.trim().isEmpty()) {
+          continue;
+        }
         int first = -1;
         int last = -1;
         for (String c : line.split("")) {