func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1e9 + 7;   const long long MAXN = 1e5 + 100;   long long F[MAXN];   int32_t main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     F[0] = 1;     F[1] = 1;     for (long long i = 2; i < MAXN; i++) F[i] = (F[i - 1] + F[i - 2]) % MOD;     long long N, M;     cin >> N >> M;     cout << 2 * (F[N] + F[M] + MOD - 1) % MOD <<   n ;     return 0;   }   