06_Func_21.py #

# pylint: disable=C,W,E

def read_answers():
    N = int(input())
    answers = []
    for k in range(N):
        sid, ans = input().split()
        answers.append([sid, ans])
    return answers


def marking(answer, solution):
    score = 0
    for i in range(len(answer)):
        if answer[i] == solution[i]:
            score += 1
    return score


def grading(score):
    g = [[80, "A"], [70, "B"],
         [60, "C"], [50, "D"]]
    for a, b in g:
        if score >= a:
            return b
    return "F"


def scoring(answers, solution):
    scores = []
    for sid, ans in answers:
        score = marking(ans, solution) / len(solution) * 100
        grade = grading(score)
        scores.append([sid, score, grade])
    return scores


def report(scores):
    for sid, sc, grade in scores:
        print(sid, sc, grade)


def sort(scores):
    x = []
    for sid, score, grade in scores:
        x.append([score, sid, grade])
        x.sort()
    for i in range(len(x)):
        scores[i] = [x[i][1], x[i][0], x[i][2]]


if __name__ == "__main__":
    solution = input()
    answers = read_answers()
    scores = scoring(answers, solution)
    sort(scores)
    report(scores[::-1])