func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     cout.tie(0);     cin.tie(0);     string s;     cin >> s;     long long dp[s.length() + 1], mod = 1e9 + 7, f = 0;     dp[0] = 1;     dp[1] = 1;     if (s[0] ==  m  || s[0] ==  w ) f = 1;     for (long long i = 2; i <= s.length(); i++) {       if (s[i - 1] ==  m  || s[i - 1] ==  w )         f = 1;       else if ((s[i - 1] ==  n  || s[i - 1] ==  u ) && (s[i - 1] == s[i - 2]))         dp[i] = (dp[i - 2] + dp[i - 1]) % mod;       else         dp[i] = dp[i - 1];     }     if (f)       cout << 0 << endl;     else       cout << dp[s.length()] << endl;   }   