#include <stdio.h>

giveword(word)
char *word;
{
	int i=0;
	char ch;

	while((ch=getchar())==' ' || (unsigned)ch==255 ) ;

	ungetc(ch,stdin);

	while ((ch=getchar())!='\n' && ch!=' ' && (unsigned)ch!=255)
		word[i++]=ch;

	ungetc(ch,stdin);

	return (i)  ?  (word[i]='\0',i)  : (getchar(),0);
}

getcom(command,arg)
char *command,*arg;
{
	int num;

	if (giveword(command)==0) 
		return (-1);
	else if ((num=giveword(arg))==0) 
		return (0);

	while (getchar()!='\n');

	return  num;
}


main()
{
	char com[10],ar[10];
	char word[10];

	for(;;)
	{
		switch(getcom(com,ar)){
		case -1: 
			printf("No command\n"); 
			break;
		case 0 : 
			printf("One com only: %s\n",com); 
			break;
		default: 
			printf("Command: %s , Argumaent: %s\n",com,ar); 
			break;
		}
	}
}