from sortedcontainers import SortedList



def solve():
    n,k,q = map(int, input().split())
    a = list(map(int, input().split()))
    s = SortedList(a)

    for _ in range(q):
        query = list(map(int, input().split()))
        if query[0] == 1:
            s.add(query[1])
        elif query[0] == 2:
            s.add(s.pop(k-1) + query[1])
        else:
            # print("ans" + str(s[k-1]))
            print(s[k-1])

if __name__ == "__main__":
    solve()