N,M,K = map(int,input().split())
A = list(map(int,input().split()))
A.append(0)


import sys

k1 = set(A)
k2 = set()
k3 = set()
for a in A:
    for b in A:
        k2.add(a + b)
        for c in A:
            k3.add(a + b + c)
if K == 0:
    print(0)
    exit()
if K == 1:
    ans == 0
    for a in A:
        if ans < a <= M:
            ans = a
    print(ans)
    exit()

D = K // 2
E = K - D
if D == 1:
    l = k1
elif D == 2:
    l = k2
else:
    l = k3
if E == 1:
    s = k1
elif E == 2:
    s = k2
else:
    s = k3
l = sorted(l)
s = sorted(s)
ans = 0

for a in l:
    if a + s[-1] <= M:
        if a + s[-1] > ans:
            ans = a + s[-1]
        continue
    end = len(s) - 1
    if a + s[0] > M:continue
    start = 0
    while end -start > 1:
        mid = end + start >> 1
        if a + s[mid] <= M:
            start = mid
        else:
            end = mid
    if a + s[start] > ans:
        ans = a + s[start]
print(ans)