#include using namespace std; typedef long long int ll; typedef unsigned long long ull; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } constexpr ll mod=1e9+7; const int N=10010; int dp[N][16][2][2]; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); string s; cin >> s; int n=s.size(); dp[0][0][0][1]=1; for(int i=0;id)break; int nj=j; if(u==4 or u==8){ nj|=(1<<0); nj|=(1<<1); } else if(u%2==0){ if(j&(1<<0))nj|=(1<<1); else nj|=(1<<0); } if(u==5){ if(j&(1<<2))nj|=(1<<3); else nj|=(1<<2); } dp[i+1][nj][nk][0]+=dp[i][j][k][kk]; if(dp[i+1][nj][nk][0]>=mod)dp[i+1][nj][nk][0]-=mod; } } } } } ll res=dp[n][15][0][0]+dp[n][15][1][0]; cout << res%mod << endl; }