Fit in Data Type

Chef wants to store some important numerical data on his personal computer. He is using a new data type that can store values only from $0$ till $N$ both inclusive. If this data type receives a value greater than $N$ then it is cyclically converted to fit into the range $0$ to $N$. For example: - Value $N+1$ will be stored as $0$. - Value $N+2$ will be stored as $1$. and so on... Given $X$, th