func_code_string: #include <bits/stdc++.h>   using namespace std;   void add_self(int &a, int b) {     a += b;     if (a >= (int)1e9 + 7) a -= (int)1e9 + 7;   }   int n, l;   void f(vector<int> &a) {     int x = a[0];     for (int i = 0; i < n - 1; i++) {       a[i] = a[i + 1] - a[i];     }     a[n - 1] = l - a[n - 1] + x;   }   void f1(vector<int> &a, int k) {     reverse(begin(a), end(a));     reverse(begin(a) + k, end(a));     reverse(begin(a), begin(a) + k);   }   void solve() {     cin >> n >> l;     vector<int> a(n), b(n);     for (int i = 0; i < n; i++) cin >> a[i];     for (int i = 0; i < n; i++) cin >> b[i];     f(a);     f(b);     for (int i = 0; i < n; i++) {       f1(a, 1);       bool ok = true;       for (int j = 0; j < n; j++) {         if (a[j] != b[j]) {           ok = false;           break;         }       }       if (ok) {         cout <<  YES ;         return;       }     }     cout <<  NO ;   }   int main() {     ios::sync_with_stdio(false);     int q = 1;     for (int i = 1; i <= q; i++) {       solve();     }   }   