import sys

def main():
    input = sys.stdin.read().split()
    ptr = 0
    N = int(input[ptr])
    ptr += 1
    Q = int(input[ptr])
    ptr += 1
    groups = []
    for _ in range(Q):
        query = input[ptr]
        ptr += 1
        y = int(input[ptr])
        ptr += 1
        z = int(input[ptr])
        ptr += 1
        if query == 'C':
            current_time = _ + 1  # queries are 1-indexed
            y_query = y
            z_query = z
            total = 0
            for group in groups:
                t0, y0, direction, count = group
                if t0 > current_time:
                    continue
                k = current_time - t0
                pos = y0
                dir = 1 if direction == 'R' else -1
                for _ in range(k):
                    if dir == 1:
                        if pos < N - 1:
                            pos += 1
                        else:
                            dir = -1
                    else:
                        if pos > 0:
                            pos -= 1
                        else:
                            dir = 1
                if y_query <= pos < z_query:
                    total += count
            print(total)
        else:
            direction = query
            t0 = _ + 1  # queries are 1-indexed
            groups.append((t0, y, direction, z))

if __name__ == '__main__':
    main()