/* -*- coding: utf-8 -*- * * 2402.cc: No.2402 Dirty Stairs and Shoes - yukicoder */ #include #include using namespace std; /* constant */ const int MAX_N = 200000; /* typedef */ /* global variables */ int fs[MAX_N + 1]; bool dp[MAX_N + 1][2]; /* subroutines */ /* main */ int main() { int n, k; scanf("%d%d", &n, &k); fill(fs, fs + n + 1, -1); int m1, m2; scanf("%d", &m1); for (int i = 0; i < m1; i++) { int ai; scanf("%d", &ai); fs[ai] = 1; } scanf("%d", &m2); for (int i = 0; i < m2; i++) { int bi; scanf("%d", &bi); fs[bi] = 0; } dp[0][0] = true; for (int i = 0; i < n; i++) for (int j = 0; j < 2; j++) if (dp[i][j]) { if (fs[i + 1] < 0) dp[i + 1][j] = true; else dp[i + 1][fs[i + 1]] = true; if (i + k <= n) { if (fs[i + k] < 0) dp[i + k][j] = true; else dp[i + k][fs[i + k]] = true; } } if (dp[n][0]) puts("Yes"); else puts("No"); return 0; }