#include <stdio.h>
#include <ctype.h>
#include <locale.h>
#include <stdlib.h>

char *getenv (const char *name);



main()
{
	int c;
	char *l;

	if ( NULL != ( l=getenv("LC_CTYPE")))
		setlocale (LC_CTYPE, l);


	while ( EOF != (c = getchar()))
	{
		if ( !isalpha((char)c) )
			putchar('\*');
		if ( !isprint((char)c) )
			putchar('\?');
		putchar((char)c);
	}
}