from collections import defaultdict
import sys
input = sys.stdin.readline

n, m, b = map(int, input().split())
A = list(map(int, input().split()))

DP = defaultdict(int)
DP[0] = 1
for i in range(n):
    a = A[i]
    N = sorted(DP.keys())
    NDP = defaultdict(int)
    for j in N:
        NDP[j] += DP[j]
        NDP[j + a] += DP[j]
    DP = NDP
ans = 0
N = sorted(DP.keys())
for i in N:
    ans += DP[i] * pow(m, i, b) % b
    ans %= b
print(ans)