make it recursive $/$

$/$

$$shift

$\_$

digits

$($

n

$)$

$$returns the number consisting of the decimal digits of n

$/$

$/$

$$ shifted forward by

$1$

$,$

$$so

$1$

$2$

$3$

$$becomes

$2$

$3$

$4$

$($

the digit

$9$

$$does not get changed

$)$

$/$

$/$

$$requires:

$0$

$<$

$=$

$$n

$<$

$1$

$,$

$0$

$0$

$0$

$,$

$0$

$0$

$0$

$,$

$0$

$0$

$0$

$$int shift

$\_$

digits

$($

int n

$)$

; Use the following main function exactly: int main

$($

void

$)$

$\{$

$$ int n

$=$

$0$

; scanf

$($

$"$

$\%$

d

$"$

$,$

$$&n

$)$

; printf

$($

$"$

$\%$

d

$"$

$,$

$$shift

$\_$

digits

$($

n

$)$

$)$

;

$\}$