#include<bits/stdc++.h> using namespace std; int main() { string a; int x; cin>>a; for(int i=0;i<a.size();i++) { if(a[i]'1'||a[i]'2'||a[i]'3'||a[i]'4'||a[i]'5'||a[i]'6'||a[i]'7'||a[i]'8'||a[i]=='9') x+=a[i]-'0'; } cout<<x; return 0; }

#include<bits/stdc++.h> using namespace std; char s[10086]; int a=0; int main() { cin>>s; int n = strlen(s); for(int i=0;i<n;i++)if(s[i]>='0'&&s[i]<='9')a=a+(s[i]-'0'); cout<<a; return 0; }