N,M,K = map(int,input().split())
A = list(map(int,input().split())) + [0]

S = set(A)
for i in range(K-1):
    S2 = set()
    for a in A:
        for b in S:
            d = a + b
            if d <= M:
                S2.add(d)
    S = S2

S = list(S)
S.sort()
#print(S)
from bisect import *
print(S[bisect_right(S,M) - 1])