#include <iostream>
#include <cstring>
using namespace std;

const int N = 1e5 + 10;
string a,b;
int aa[N],bb[N],cc[N];

int main()
{


    cin>>a>>b;
    int len_a = a.length();
    int len_b = b.length();

    for(int i = 0;i<len_a;i++)
        aa[i] = a[len_a - i - 1] - '0';
    for(int i = 0;i<len_b;i++)
        bb[i] = b[len_b - i - 1] - '0';

    int len = max(len_a,len_b);

    for(int i = 0;i<len;i++){

        cc[i] = cc[i] + aa[i] + bb[i];
        cc[i+1] = cc[i] / 10;
        cc[i] = cc[i] % 10;

    }


    if(cc[len] != 0)
        len++;

    for(int i = len - 1;i>=0;i--)
        printf("%d",cc[i]);


    return 0;
}