#include "bits/stdc++.h" //#include "atcoder/all" using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; //const bool debug = false; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, q; cin >> n >> q; vectora(q), b(q); rep(i, q) { cin >> a[i]; a[i]--; } rep(i, q) { cin >> b[i]; b[i]--; } vectorl(q + 1), r(q + 1); l[q] = 0; r[q] = n - 1; rrep(i, q) { if (a[i] > b[i]) swap(a[i], b[i]); int nl = max(0, l[i + 1] - 1); int nr = min(n - 1, r[i + 1] + 1); if ((nl == a[i]) || (nl == b[i])) { nl++; if (nl == b[i]) { nl++; } } if ((nr == a[i]) || (nr == b[i])) { nr--; if (nr == a[i]) { nr--; } } if (nl > nr) { cout << "NO" << endl; return 0; } //cout << nl << " " << nr << endl; l[i] = nl; r[i] = nr; } cout << "YES" << endl; int pos = l[0]; cout << pos + 1 << endl; rep(i, q) { if (pos < l[i]) pos++; else if (r[i] < pos)pos--; else if (a[i] == pos || b[i] == pos) { if ((pos + 1) <= r[i] && (a[i] != (pos + 1) && b[i] != (pos + 1))) pos++; else pos--; } cout << pos + 1 << endl; } return 0; }