src/Day03.java

@@ -11,7 +11,7 @@ public class Day03 extends Input {
     public int part1_sample(){
         int rValue = 0;
 
-        String input = this.input.getSample_input().getFirst();
+        for(String input : this.input.getSample_input()) {
             String pattern = "mul(";
             String num1_s = "";
             String num2_s = "";
@@ -52,6 +52,7 @@ public class Day03 extends Input {
                     }
                 }
             }
+        }
 
         return rValue;
     }