class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1]*n
        self.rank = [0]*n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def issame(self, x, y):
        return self.find(x) == self.find(y)

    def size(self, x):
        return -self.parents[self.find(x)]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.rank[x] < self.rank[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
        if self.rank[x] == self.rank[y]:
            self.rank[x] += 1

    def root(self):
        return [i for i in range(self.n) if self.parents[i] < 0]


N, Q = map(int, input().split())
P = [-1]+list(map(int, input().split()))
query = [list(map(int, input().split())) for _ in range(Q)]
state = UnionFind(N+1)
for i, p in enumerate(P):
    if p != -1:
        state.union(i, p)
ans = []
for a, b in query:
    ans.append('Yes' if state.issame(a, b) else 'No')

print(*ans, sep='\n')