Number of students: 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
Enter grade (0, 1, 3): 
2 students got 0.
3 students got 1.
3 students got 3 (37.50%).
