func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     int mod = 1e9 + 7;     cin >> s;     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  w  || s[i] ==  m ) {         cout << 0;         return 0;       }     }     int a, b = 1, c = 0;     for (int i = 0; i < s.length(); i++) {       if (s[i] == s[i - 1] && (s[i] ==  n  || s[i] ==  u )) {         a = (b + c) % mod;       } else         a = b;       c = b;       b = a;     }     cout << a;   }   