n, c = map(int, input().split())
prices = [int(input()) for _ in range(n)]
coupons = [tuple(map(int, input().split())) for _ in range(c)]

savings_list = []

for i in range(n):
    pi = prices[i]
    for j in range(c):
        tj, xj = coupons[j]
        if tj == 1:
            s = min(xj, pi)
        else:
            s = (pi * xj) // 100
        if s > 0:
            savings_list.append((-s, i, j))  # Negative for descending sort

savings_list.sort()

used_products = [False] * n
used_coupons = [False] * c
total_saving = 0

for s_neg, i, j in savings_list:
    s = -s_neg
    if not used_products[i] and not used_coupons[j]:
        total_saving += s
        used_products[i] = True
        used_coupons[j] = True

original_sum = sum(prices)
print(original_sum - total_saving)