14. Five marks exercise problems VIII

Roll numbers are created with a letter followed by $3$ digits in it, from the letters $A$, $B$, $C$, $D$ and $E$ and any $3$ digits from $0$ to $9$. In how many possible ways can the roll numbers be generated? (except $A000$, $B000$, $C000$, $D000$ and $E000$)

 

Number of possible ways $=$