Question 23
In this cryptarithm, different letters represent different digits. Find the smallest possible four-digit number MATH.

Leading letters M, I and F are nonzero. Repeated letters represent the same digit. Read the layout as MATH − IS = FUN.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.

Leading letters M, I and F are nonzero. Repeated letters represent the same digit. Read the layout as MATH − IS = FUN.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.