from functools import lru_cache
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 7)

N = int(input())
red_red = [[] for _ in range(N + 1)]
red_blue = [[] for _ in range(N + 1)]
blue_blue = [[] for _ in range(N + 1)]
blue_red = [[] for _ in range(N + 1)]

for i in range(1, N+1):
    c, x, y = input().rstrip().split()
    y = int(y)
    if c == "R":
        if x == "R":
            red_red[y].append(i)
        else:
            red_blue[y].append(i)
    else:
        if x == "R":
            blue_red[y].append(i)
        else:
            blue_blue[y].append(i)


ans = []


def rec(R, B, now):
    if R + B == N:
        ans.append(now)
        return True

    if red_red[R]:
        x = red_red[R].pop()
        if rec(R + 1, B, x):
            ans.append(now)
            return True
        red_red[R].append(x)

    if red_blue[B]:
        x = red_blue[B].pop()
        if rec(R + 1, B, x):
            ans.append(now)
            return True
        red_blue[B].append(x)

    if blue_red[R]:
        x = blue_red[R].pop()
        if rec(R, B + 1, x):
            ans.append(now)
            return True
        blue_red[R].append(x)

    if blue_blue[B]:
        x = blue_blue[B].pop()
        if rec(R, B + 1, x):
            ans.append(now)
            return True
        blue_blue[B].append(x)

    return False


if not rec(0, 0, 0):
    print("No")
else:
    print("Yes")
    ans.pop()
    print(*ans[::-1])