#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef long long ll; using namespace std; #define debug(x) cerr << #x << " = " << (x) << endl; #define mod 1000000007 //1e9+7(prime number) #define INF 1000000000 //1e9 #define LLINF 2000000000000000000LL //2e18 #define SIZE 100010 #define int long long ll power(int k,int n,int M){ if(n==0) return 1; if(n==1) return (ll)k; ll ret = power(k,n/2,M); ret=(ret*ret)%M; if(n%2==1) ret=(ret*k)%M; return ret; } signed main(){ string s; int n; cin >> s; n = s.size(); ll ans0 = 0, ans7 = 0; for(int i=1;i