#include <stdio.h>
main() {
  int i, res;
  char commandString[128]; 
  char command[128]; 
  char arguments[128]; 
  for (i=0; i < 5; i++)
  {
    printf("Grock- ");
    fgets(commandString, sizeof(commandString), stdin);
    res = sscanf(commandString, "%s %[^\n]s", &command, &arguments);
    if (res > 0)
    {
      printf("Command entered: %s\n", command);
      if (res > 1)
        printf("Arguments entered: %s\n", arguments);
      else
        printf("Arguments entered: \n");
    }
    else
    {
      printf("Command entered: \n");
      printf("Arguments entered: \n");
    }
  }
}