#include <fstream>
#include <cstring>
using namespace std;
char a[18],b[18];
short int x[20],y[20],c[20];
int i,j,t,S,nra,nrb;
int main()
{
    ifstream cin("adunare.in");
    ofstream cout("adunare.out");
    cin.getline(a+1,15);
    cin.getline(b+1,15);
    nra=strlen(a+1);
    nrb=strlen(b+1);
    for(i=nra;i>=1;i--)
        x[nra-i+1]=a[i]-'0';
    for(i=nrb;i>=1;i--)
        y[nrb-i+1]=b[i]-'0';
    x[0]=nra;
    y[0]=nrb;
    //suma
    t=0;
    for(i=1;i<=x[0] || i<=y[0];i++){
        S=x[i]+y[i]+t;
        c[i]=S%10;
        t=S/10;
    }
    c[0]=i-1;
    if(t>0){
        c[i]=t;
        c[0]=i;
    }
    for(i=c[0];i>=1;i--)
        cout<<c[i];






    return 0;
}