#!/usr/bin/ python3.8 import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines N, Q = map(int, readline().split()) X, Y, Z = zip(*[line.split() for line in readlines()]) Y = map(int, Y) Z = map(int, Z) class BinaryIndexedTree(): def __init__(self, seq): self.size = len(seq) self.depth = self.size.bit_length() self.build(seq) def build(self, seq): data = seq size = self.size for i, x in enumerate(data): j = i + (i & (-i)) if j < size: data[j] += data[i] self.data = data def __repr__(self): return self.data.__repr__() def get_sum(self, i): data = self.data s = 0 while i: s += data[i] i -= i & -i return s def add(self, i, x): data = self.data size = self.size while i < size: data[i] += x i += i & -i def find_kth_element(self, k): data = self.data size = self.size x, sx = 0, 0 dx = 1 << (self.depth) for i in range(self.depth - 1, -1, -1): dx = (1 << i) if x + dx >= size: continue y = x + dx sy = sx + data[y] if sy < k: x, sx = y, sy return x + 1 bit = BinaryIndexedTree([0] * (N + N + N + N + 10)) for t, (x, y, z) in enumerate(zip(X, Y, Z)): if x == b'L': n = N + N - 1 - y n -= t n %= (N + N) bit.add(n + 1, z) bit.add(n + N + N + 1, z) elif x == b'R': n = y - t n %= (N + N) bit.add(n + 1, z) bit.add(n + N + N + 1, z) elif x == b'C': cnt = 0 z -= 1 for y1, z1 in ((y, z), (N + N - 1 - z, N + N - 1 - y)): y1 -= t z1 -= t q = y1 // (N + N) y1 -= q * (N + N) z1 -= q * (N + N) cnt += bit.get_sum(z1 + 1) - bit.get_sum(y1) print(cnt)