#include #include using namespace std; char s[10]; int n; int putere(int t) { int i; for(i=0; i<=15; i++) { if((1<>n; cin>>c; for(i=1; i<=n; i++) { //0 si 1 primele 2, 3 si 4 celelalte cin.getline(s, 10, '\n'); t = (s[0]-'0')*1000 + (s[1]-'0')*100 + (s[3]-'0')*10 + (s[4]-'0'); if(s[3]=='0' && s[4]=='0') { cout<<"YES\n"; } else if(s[0]==s[3] && s[1]==s[4]) { cout<<"YES\n"; } else if(s[0]==s[4] && s[1]==s[3]) { cout<<"YES\n"; } else if(s[1]==s[0]+1 && s[3]==s[1]+1 && s[4]==s[3]+1) { cout<<"YES\n"; } else if(s[0]!='0' && putere(t)) { cout<<"YES\n"; } else { cout<<"NO\n"; } } return 0; }