from math import *

test_cases = int(raw_input())

for _ in range(test_cases):
    n, a, b, c = map(int, raw_input().split())
    a, b, c = sorted([a, b, c])
    vec, i = [1 for _ in range(a)], 0
    while True:
        if vec[i] >= n:
            print i
            break
        vec.append(0)
        i += 1
        for j in (a, b, c):
            if i >= j:
                vec[i] += vec[i - j]
    # print vec