from sys import stdin
from tkinter import N
import heapq

def inputSynario():
    input = stdin.readline
    num_list = []
    T = int(input().rstrip())
    for i in range(T * 2):
        num_list.append(list(map(int, input().rstrip().split())))
    return num_list

synario = inputSynario()
for synarioId in range(len(synario)//2):
    N=synario[synarioId * 2]
    A=synario[synarioId * 2 + 1]
    isLoopFlag=True
    while(isLoopFlag):
        dango=heapq.nlargest(3,A)
        if(dango[0]==0):
            print("yes")
            isLoopFlag=False
            break
        for i in range(3):
            if(dango[i] != 0):
                index = A.index(dango[i])
                A[index] -= 1
            else:
                print("no")
                isLoopFlag=False
                break