#include using namespace std; #define ll long long int main () { ios_base::sync_with_stdio(false); //freopen("C:\\in.txt","r", stdin); string s; cin >> s; bool good = true; int needed =0; for(int start = 0; start 0) good = false; int zeros = 0; for(int i=start+7; ;i--){ if(s[i] == '1') break; zeros++; } needed = zeros; } else { needed--; } } if(needed>0) good = false; if(good){ cout << "Yes" << endl; } else { cout << "No" << endl; } return 0; }