# include <string>


def gradeCalc(s):
    if s[0].isdigit():
        split1 = s.split(';')[0]
        percentages = split1.split('=')
        split2 = s.split(';')[1]
        names = split2.split(',')

        index = 0
        for percentage in percentages:

            if int(percentage) <= 0:
                percentages[index] = '_'
                index = index + 1
            elif int(percentage) < 20:
                percentages[index] = '-'
                index = index + 1
            else:
                percentages[index] = '^'
                index = index + 1

        return ''.join(percentages) + '\n ' + '\n'.join(names)
    else:
        student = s.split('___')[0]
        grades = s.split('___')[1]

        totalGrades = 0.0
        count = 0
        for grade in grades.split(' '):
            count = count + 1
            totalGrades = totalGrades + int(grade)

        avgGrade = totalGrades / count

        if avgGrade is avgGrade >= 5.5 and avgGrade < 6.0:
            avgGrade = '6-'
        else:
            avgGrade = str(int(avgGrade))

        return student + ' has an avarage of ' + avgGrade


print(gradeCalc('5=20=22=10=2=0=0=1=0=1;stud1, stud2'))