/* Program for computing letter grades in CPSC 441 */
/* Usage: cc -o compute compute.c                  */
/*        ./compute < marks.txt                    */
/* Written by Carey Williamson     January 5, 2014 */

#include <stdio.h>

#define STRLEN 20

main()
  {
    char fname[STRLEN], lname[STRLEN];
    int id;
    float a1, a2, a3, a4;
    float quiz;
    float mid;
    float fin;
    float tot;
    char grade;
    char flag;

    while( scanf("%s %s %d %f %f %f %f %f %f %f\n",
		 fname, lname, &id, &a1, &a2, &a3, &a4, &quiz, &mid, &fin) == 10 )
      {
	tot = a1 + a2 + a3 + a4;
	tot /= 4;
	tot += 0.08*100.0*quiz/32.0;
	tot += 0.20 * mid;
	tot += 0.40 * fin;
	grade = 'F';
	flag = ' ';
	if( tot >= 50 )
	  {
	    grade = 'D';
	    flag = ' ';
	  }
	if( tot >= 55 )
	  {
	    grade = 'C';
	    flag = '-';
	  }
	if( tot >= 60 )
	  {
	    grade = 'C';
	    flag = ' ';
	  }
	if( tot >= 65 )
	  {
	    grade = 'C';
	    flag = '+';
	  }
	if( tot >= 70 )
	  {
	    grade = 'B';
	    flag = '-';
	  }
	if( tot >= 75 )
	  {
	    grade = 'B';
	    flag = ' ';
	  }
	if( tot >= 80 )
	  {
	    grade = 'B';
	    flag = '+';
	  }
	if( tot >= 85 )
	  {
	    grade = 'A';
	    flag = '-';
	  }
	if( tot >= 90 )
	  {
	    grade = 'A';
	    flag = ' ';
	  }
	if( tot >= 95 )
	  {
	    grade = 'A';
	    flag = '+';
	  }
	if( fin < 0 )
	  {
	    grade = 'W';
	    flag = ' ';
	  }
	printf("%20s %-15s %4.1f %4.1f %4.1f %4.1f  %4.1f %5.1f %5.1f %5.1f %c%c\n",
	       fname, lname, a1, a2, a3, a4, quiz, mid, fin, tot, grade, flag);
      }
  }