1983. 조교의 성적 매기기

t = int(input())

for i in range(t):

    n,k = map(int,input().split())

    score = [0]*n

    ans = 0

    for j in range(n):

        lst = list(map(int,input().split()))

        score[j] = (lst[0]*0.35)+(lst[1]*0.45)+(lst[2]*0.2)

        if k - 1 == j: ans = score[j]

 

    score.sort()

    score.reverse()

    hak = ['A+','A0','A-','B+','B0','B-','C+','C0','C-','D0']

     

    hak_idx = 0

    for j in range(0,n,int(n/10)):

        for k in range(j,j+(int(n/10))):

            if ans == score[k]: print('#%d'%(i+1),hak[hak_idx])

        hak_idx = hak_idx + 1