题解

#include<iostream> 
#include<string>
using namespace std;
int main(){
    string a,b;
    cin>>a>>b;
    int x=0,y=0;
    for(int i=0;i<a.size();i++){
        x+=int(a[i]-'0');
    }
    for(int j=0;j<b.size();j++){
        y+=int(b[j]-'0');
    }
    cout<<x+y;;
    return 0;
}

#include<iostream>   
using namespace std;
int main(){
    int a,b;
    cin>>a>>b;
    cout<<a+b;
    return 0;
}