#include <fstream>
#include <algorithm>

using namespace std;
ifstream fin("adunare.in");
ofstream fout("adunare.out");
void suma(int a[], int b[]),citire(int v[]), afisare(int v[]);
int a[1000], b[1000], mx;
int main()
{
    citire(a);
    citire(b);
    suma(a,b);
    afisare(a);

    return 0;
}
void citire(int v[])
{
    char c;
    fin.get(c);
    while(c>='0' && c<='9')
    {
        v[++v[0]]=c-'0' ;
        fin.get(c);
    }
    reverse(v+1,v+1+v[0]);

}
void suma(int a[], int b[] )
{
    int i,t=0;
    mx=max(a[0],b[0]);
    a[0]=mx;
    for(i=1; i<=mx; i++)
    {
        a[i]=a[i]+b[i]+t;
        t=a[i]/10;
        a[i]%=10;
    }
    if(t)
       a[++a[0]]=t;


}
void afisare (int v[])
{
    int i;
    for(i=v[0];i>=1;i--)
        fout<<v[i];
    fout<<'\n';
}