What is the output of the following code?

Source

$1$

$2$

$3$ int main$()\{$

$5$

b

$7$

$8$

$9$

$10$

$11$

$12$

$13$

$14$

$15$

$16$

$17$

$18$

$19$

$20$

History $--227|$P

#include

CO

$$

$\}$

int a $[]=\{1,1,1,1),$ b$=18,$ i;

for $($i$=5$;i$<9$; i$++)$

switch $($b$\%$i$)\{$

$\}$

case $0$: a $[0]*=2$;

case $1$: a $[1]+=3$; break;

case $2$:

a $[2]*=4$; break;

case $3$:

a $[3]+=5$;

for $($i $3$; i$>=0$; i$--)$

printf$("\%$d$",$ a$[$i$])$;

return $0$;