N, C = map(int, input().split())

P = []
for _ in range(N):
    P.append(int(input()))
    
P.sort(reverse=True)

TY = []
TP = []
for _ in range(C):
    T, X = map(int, input().split())
    if T == 1:
        TY.append(X)
    else:
        TP.append(X)
TY.sort(reverse=True)
TP.sort(reverse=True)

Total = 0
for price in P:
    if len(TP) == 0:
        dc = TY.pop(0) if len(TY) > 0  else 0
    elif len(TY) == 0:
        dc = (TP.pop(0) * price // 100)
    elif TY[0] > TP[0] * price // 100:
        dc = TY.pop(0)
    else:
        dc = (TP.pop(0) * price // 100)
    Total += max(price-dc, 0)

print(Total)