#include<cstdio>
#include<string>
#include<iostream>
#include<algorithm>
using namespace std;
#define MAXN 600
int a[MAXN],b[MAXN],c[MAXN];
int main()
{
    string A,B;
    cin>>A>>B;
    int len=max(A.length(),B.length());
    for(int i=A.length()-1,j=1;i>=0;i--,j++)
    a[j]=A[i]-'0';
    for(int i=B.length()-1,j=1;i>=0;i--,j++)
    b[j]=B[i]-'0';
    for(int i=1;i<=len;i++)
    {
        c[i]+=a[i]+b[i];
        c[i+1]=(a[i]+b[i])/10;
        c[i]%=10;
        
    }
    if(c[len+1])len++;
    for(int i=len;i>=1;i--)
    cout<<c[i];
    return 0;
}