import sys

def main():
    input = sys.stdin.read().split()
    ptr = 0
    N = int(input[ptr])
    ptr += 1
    Q = int(input[ptr])
    ptr += 1

    groups = []
    current_time = 0

    for _ in range(Q):
        current_time += 1
        x = input[ptr]
        ptr += 1
        y = int(input[ptr])
        ptr += 1
        z = int(input[ptr])
        ptr += 1

        if x == 'L' or x == 'R':
            groups.append((current_time, x, y, z))
        else:
            # Query type 'C'
            # y is the start, z is the end of interval [y, z)
            count = 0
            t = current_time
            for group in groups:
                t0, dir, x_pos, z_count = group
                s = t - t0
                if s < 0:
                    continue
                if dir == 'L':
                    if s <= x_pos:
                        pos = x_pos - s
                    else:
                        s_prime = s - (x_pos + 1)
                        cycle = 2 * (N - 1)
                        s_mod = s_prime % cycle
                        if s_mod < (N - 1):
                            pos = s_mod
                        else:
                            pos = 2 * (N - 1) - s_mod
                else:
                    if s <= (N - 1 - x_pos):
                        pos = x_pos + s
                    else:
                        s_prime = s - (N - x_pos)
                        cycle = 2 * (N - 1)
                        s_mod = s_prime % cycle
                        if s_mod < (N - 1):
                            pos = (N - 1) - s_mod
                        else:
                            pos = s_mod - (N - 1) - 1
                if y <= pos < z:
                    count += z_count
            print(count)

if __name__ == "__main__":
    main()