#include using namespace std; #define ALL(x) begin(x),end(x) #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<bool chmax(T &a,const T &b){if(abool chmin(T &a,const T &b){if(b ostream &operator<<(ostream &os,const vector&v){ for(int i=0;i<(int)v.size();i++) os< istream &operator>>(istream &is,vector&v){ for(T &x:v)is>>x; return is; } signed main(){ string s;cin>>s; reverse(ALL(s)); s.push_back('0'); int carry=0; int fin=0; rep(i,(int)s.size()){ int dig=s[i]-'0'; if(carry){ if(fin==0 and 3<=dig and dig<=5) carry=1; else if(dig==1) fin=2,carry=0; else if(fin<=1 and 7<=dig and dig<=8) fin=1,carry=0; else{ cout<<"No"<