B3. Veronika has a sheet of graph paper with $78 \times 78$ squares. She wants to cut the sheet into smaller pieces, each of which will have either 14 or 15 squares, with each cut dividing one piece of paper into two along one of the lines on the paper. What is the minimum number of times Veronika must cut the paper?

## Problems for 3rd Grade

Time for solving: 180 minutes. Each problem in set A has exactly one correct answer. In set A, we will award two points for a correct answer and deduct one point for an incorrect answer. Write the answers for set A in the left table, leave the right table blank. The committee will consider only the answers written in the table for set A.
![](https://cdn.mathpix.com/cropped/2024_06_07_21f8af0300261b15ee68g-10.jpg?height=168&width=798&top_left_y=684&top_left_x=641)