# encoding: utf-8
N, M = list(map(int, input().split()))

# TLE
# Amod = [A for A in map(lambda x: int(x) % M , input().split())]
# ans = 0
# for l in range(len(Amod)):
#     acm = 0
#     for r in range(l, len(Amod)):
#         acm = (acm + Amod[r]) % M
#         if acm == 0: ans += 1

Asym = []

sym = 0
cnt_zero = 0
for i, A in enumerate(map(int, input().split())):
    sym = (sym + A) % M
    if sym > 0: Asym.append(sym)
    else: cnt_zero += 1
        
ans = cnt_zero * (cnt_zero + 1)
for sym in set(Asym):
    cnt = Asym.count(sym)
    ans += cnt * (cnt -  1)
        
print(int(ans / 2))

# Acnt = [0 for i in range(M)]
# sym = 0
# for A in map(int, input().split()):
#     sym = (sym + A) % M
#     Acnt[sym] += 1

# print(int(Acnt[0] + sum([cnt * (cnt - 1) for cnt in Acnt]) / 2))