9度oj 题目1003：A+B【水题】

import java.util.Scanner;
public class Main
{
 
    public static void main(String[] args)
    {
        Scanner cin = new Scanner(System.in);
        String s1,s2;
        while(cin.hasNext())
        {
            s1=cin.next();
            s2=cin.next();
            int len1 = s1.length();
            int len2 = s2.length();
            int a1=0,a2=0;
            for(int i=0;i<len1;i++)
            {
                if(s1.charAt(i)>='0'&&s1.charAt(i)<='9')
                {
                    a1*=10;
                    a1+=s1.charAt(i)-'0';
                }
            }
            if(s1.charAt(0)=='-') a1*=-1;
            for(int i=0;i<len2;i++)
            {
                if(s2.charAt(i)>='0'&&s2.charAt(i)<='9')
                {
                    a2*=10;
                    a2+=s2.charAt(i)-'0';
                }
            }
            if(s2.charAt(0)=='-') a2*=-1;
            System.out.println(a1+a2);
        }
        cin.close();
    }
}