#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include #define rep(i,n) for(int i=0;i<(n);i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) ((int)(x).size()) #define pb push_back using ll = long long; using namespace std; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b> S; vector A(8); rep(i,8) cin >> A[i]; int cnt = 0; rep(i,8) rep(j,8) if(A[i][j]!='.') cnt++; cnt%=2; if(cnt==0) cout << S << endl; else{ if(S=="oda") cout << "yukiko" << endl; else cout << "oda" << endl; } return 0; }