N, C = map(int, input().split())
INF = float("inf")
P = [int(input()) for _ in range(N)]
P.sort(reverse=True)
T1 = []
T2 = []
for _ in range(C):
    t, x = map(int, input().split())
    if t  == 1:
        T1.append(x)
    else:
        T2.append(x)
T1.sort()
T2.sort()
ans = 0
for p in P:
    if T1:
        t1 = max(p-T1[-1], 0)
    else:
        t1 = INF
    if T2:
        t2 = p*(100-T2[-1])//100
    else:
        t2 = INF
    if t1 == t2 == INF:
        ans += p
    else:
        if t2 <= t1:
            ans += t2
            T2.pop()
        else:
            ans += t1
            T1.pop()
print(ans)