package New;
public class Prog7 {
      static int op = 0;
      public static void abc(String str)
{
            int i, n, sum = 0;
            String
s;
            for (i = 0; i < str.length();
i++) {
                  char c =
str.charAt(i);
                  if (Character.isDigit(c))
{
                        s
= str.valueOf(c);
                        n
= Integer.parseInt(s);
                        sum
= sum + n;
                  }
            }
            op = sum;
      }
      public static void main(String[] args) {
            String
str = "good23bad4";
            abc(str);
            System.out.println(op);
      }
}