# Original solution
import math


class SegmentTree:
    __slots__ = ["elem_size", "tree_size", "tree"]

    def __init__(self, a: list, default: int):
        real_size = len(a)
        self.elem_size = 1 << math.ceil(math.log2(real_size))
        self.tree_size = 2 * self.elem_size + 1
        self.tree = [default] * (self.elem_size - 1) + a + [default] * (self.elem_size - real_size)

    def get_range_index(self, x, y, k=0, l_end=0, r_end=None):
        '''[x, y], tree[k], [l_end, r_end)'''
        if r_end is None:
            r_end = self.elem_size

        if l_end == x and y == r_end-1:
            return [k]

        mid = (l_end + r_end) // 2
        left_y = y if y < mid-1 else mid-1
        right_x = x if x > mid else mid

        left = self.get_range_index(x, left_y, 2*k+1, l_end, mid) if x <= left_y else []
        right = self.get_range_index(right_x, y, 2*k+2, mid, r_end) if right_x <= y else []
        return left + right

    def get_value(self, x, y):
        tree = self.tree
        index_list = self.get_range_index(x, y)

        return sum(tree[n] for n in index_list)

    def update_tree(self, k: int):
        tree = self.tree

        while k > 0:
            k = (k-1) // 2
            left, right = tree[2*k+1], tree[2*k+2]
            tree[k] = left + right

    def set_value(self, i: int, value: int, op: str):
        k = self.elem_size - 1 + i
        if op == "=":
            self.tree[k] = value
        elif op == "+":
            self.tree[k] += value
        self.update_tree(k)


n, q = list(map(int, input().split()))
rsq = SegmentTree([0]*n, 0)
ans = []
for _ in [0]*q:
    c, x, y = list(map(int, input().split()))
    if c == 0:
        rsq.set_value(x-1, y, "+")
    else:
        ans.append(rsq.get_value(x-1, y-1))
print(("\n".join([str(n) for n in ans])))

# Optimized solution
import math


class SegmentTree:
    __slots__ = ["elem_size", "tree_size", "tree"]

    def __init__(self, a: list, default: int):
        real_size = len(a)
        self.elem_size = 1 << math.ceil(math.log2(real_size))
        self.tree_size = 2 * self.elem_size + 1
        self.tree = [default] * (self.elem_size - 1) + a + [default] * (self.elem_size - real_size)

    def get_range_index(self, x, y, k=0, l_end=0, r_end=None):
        '''[x, y], tree[k], [l_end, r_end)'''
        default, tree = 0, self.tree
        if r_end is None:
            r_end = self.elem_size

        if l_end == x and y == r_end-1:
            return tree[k]

        mid = (l_end + r_end) // 2
        left_y = y if y < mid-1 else mid-1
        right_x = x if x > mid else mid

        left = self.get_range_index(x, left_y, 2*k+1, l_end, mid) if x <= left_y else default
        right = self.get_range_index(right_x, y, 2*k+2, mid, r_end) if right_x <= y else default
        return left + right

    def get_value(self, x, y):
        tree = self.tree
        return self.get_range_index(x, y)

        # return sum(tree[n] for n in index_list)

    def update_tree(self, k: int):
        tree = self.tree

        while k > 0:
            k = (k-1) // 2
            left, right = tree[2*k+1], tree[2*k+2]
            tree[k] = left + right

    def set_value(self, i: int, value: int, op: str):
        k = self.elem_size - 1 + i
        if op == "=":
            self.tree[k] = value
        elif op == "+":
            self.tree[k] += value
        self.update_tree(k)


n, q = list(map(int, input().split()))
rsq = SegmentTree([0]*n, 0)
ans = []
for _ in [0]*q:
    c, x, y = list(map(int, input().split()))
    if c == 0:
        rsq.set_value(x-1, y, "+")
    else:
        ans.append(rsq.get_value(x-1, y-1))
print(("\n".join([str(n) for n in ans])))