#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define loop(i,a,b) for(int i=a;i pii; typedef vector vi; typedef vector vvi; typedef vector vp; typedef vector vvp; typedef vector vs; typedef vector vd; typedef vector vvd; typedef pair pip; typedef vectorvip; const double PI=acos(-1); const double EPS=1e-7; const int inf=1e8; const ll INF=1e16; int dx[4]={0,1,0,-1}; int dy[4]={1,0,-1,0}; int main(){ int a[10]={20104,20063,19892,20011,19874,20199,19898,20163,19956,19841}; string s; cin>>s; int co[10]={0}; rep(i,s.size())if(i-1)co[s[i]-'0']++; int b,c; rep(i,10)if(a[i]+1==co[i])b=i; else if(a[i]-1==co[i])c=i; cout<