Seated Together

A bus has $100$ seats arranged in $20$ rows, with $5$ seats in each row. Seats $1$ to $5$ are in the first row, seats $6$ to $10$ are in the second row, and so on. Chef and Chefina are seated in seats $X$ and $X+1$, respectively. They can talk to each other during the journey if and only if both seats are in the same row. Given $X$, determine whether Chef and Chefina will be able to talk to ea