myread = lambda : map(int,raw_input().split())
def solver():
    T_max = 1234567890123450
    pascal_table = [[0 for i in xrange(3010)] for j in xrange(3010)]
    for i in xrange(3001):
        pascal_table[i][i] = 1
        pascal_table[i][0] = 1
    for i in xrange(2,3001):
        for j in xrange(1,i):
            pascal_table[i][j] = min(pascal_table[i-1][j-1] + pascal_table[i-1][j], T_max)

    Q = int(raw_input())
    for _ in xrange(Q):
        D,X,T = myread()
        D -= 1
        X += D
        #print pascal_table[X][D]
        if T < pascal_table[X][D]:
            print "ZETUBOU"
        else:
            print "AC"
        
if __name__ == "__main__":
    solver()