BALTIC-WAY 2002 Problem 17

Show that the sequence

$$\left(\begin{array}{l} 2002 \\ 2002 \end{array}\right),\left(\begin{array}{c} 2003 \\ 2002 \end{array}\right),\left(\begin{array}{l} 2004 \\ 2002 \end{array}\right), \ldots$$

considered modulo 2002, is periodic.