#include

#include

int main $()$

$\{$

char c;

c $=$ fgetc $($stdin$)$ ;

while $($c $!=$ EOF$)$

if $($isalnum $($c$))$

printf $("\%$c

$",$ c$)$ ;

c $=$ fgetc $($stdin$)$ ;

return$(1)$;

$\}$ whats wrong with this code