import sys input = sys.stdin.readline from heapq import heappush, heappop n, k = map(int, sys.stdin.readline().split()) jewelry = sorted([list(map(int, input().split())) for _ in range(n)]) bag = sorted([int(input()) for _ in range(k)]) ans, temp = 0, [] for b in bag: while jewelry and b >= jewelry[0][0]: heappush(temp, -jewelry[0][1]) heappop(jewelry) if temp: ans += heappop(temp) elif not jewe..