def main():
    import sys

    def add(i, x):
        i += 1
        while i < n+1:
            table[i] += x
            i += i & -i

    def rank(x):
        if x == 0: return 0
        idx = 0
        d = 1 << n.bit_length()-1
        while d:
            if idx+d <= n and table[idx+d] < x:
                x -= table[idx+d]
                idx |= d
            d >>= 1
        return idx

    n, q = list(map(int, sys.stdin.readline().split()))
    aa = list(map(int, sys.stdin.readline().split()))

    cs = [0]
    for a in aa: cs.append(cs[-1]+a)

    table = [0]*(n+1)
    for i in range(1, n): add(i, 1)

    rr = list(range(1, n+1))

    for _ in range(q):
        t, l, r = list(map(int, sys.stdin.readline().split()))
        l -= 1
        if t == 1:
            i = rank(l)
            for _ in range(r-l-1):
                j = rr[i]
                add(j, -1)
                rr[i] = rr[j]
        else:
            i = rank(l)
            j = rank(r)
            print(cs[j]-cs[i])

main()