#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
const int N = 100005;
int a[N],b[N],c[N];//存放两个大数和结果
string s1,s2;//两个大数用字符串形式读入
int main()
{
cin>>s1>>s2;
int la = s1.size(),lb = s2.size(),lc=max(la,lb)+1;
//倒着读入并转换成整数
for(int i = 0;i<la;i++) a[i]=s1[la-i-1]-'0';
for(int i = 0;i<lb;i++) b[i]=s2[lb-i-1]-'0';
for(int i = 0;i<lc;i++)
{
//进位处理
c[i]+=a[i]+b[i];
if(c[i]>9)
{
c[i+1]+=c[i]/10;
c[i]%=10;
}
}
//去除前导零
while(c[lc-1]==0&&lc>1)lc--;
//倒序输出
for(int i = lc-1;i>=0;i--)
{
cout<<c[i];
}
cout<<endl;
return 0;
}