#include<fstream>
#include<cstring>
using namespace std;
ifstream cin("alfanumeric.in");
ofstream cout("alfanumeric.out");
int main(){
int n,sum=0,k=0;char c,s[2000001];
cin>>n;
for(int i=0;i<n;i++){
    cin>>c;
    if(c>='0' && c<='9'){ sum+=(int(c)-48); }
    if(c>='a' && c<='z'){ c=toupper(c);  }
    if((c>='A' && c<='Z') || (c>='a' && c<='z')){ s[k++]=c; }
}
cout<<s<<endl<<sum;
return 0;
}