题目1003：A+B

#include<iostream>
#include<string>
using namespace std;
int main(){
    string A,B;
    while(cin>>A>>B){
        long num1=0,num2=0;
        for(int i=0;i<A.length();i++){
            if(A[i]>=‘0‘ && A[i]<=‘9‘){
                num1=num1*10+A[i]-‘0‘;
            }
        }
        for(int i=0;i<B.length();i++){
            if(B[i]>=‘0‘ && B[i]<=‘9‘){
                num2=num2*10+B[i]-‘0‘;
            }
        }
        if(A[0]==‘-‘){
            num1=0-num1;
        }
        if(B[0]==‘-‘){
            num2=0-num2;
        }
        cout<<num1+num2<<endl; 
    }
    return 0;
}
/**************************************************************
    Problem: 1003
    User: hg2013211626
    Language: C++
    Result: Accepted
    Time:0 ms
    Memory:1520 kb
****************************************************************/