#include<iostream>

#include<cstdio>

#include<algorithm>

#include<cstring>

#include<string>

#include<cmath>

using namespace std;

int main()

{

    char a1[],b1[];

    int c[],a[],b[];

    int lena,lenb,lenc;

    int i,x;

    scanf("%s",a1);

    scanf("%s",b1);

    lena=strlen(a1);

    lenb=strlen(b1);

    for(i=;i<=lena-;i++)a[lena-i]=a1[i]-;

    for(i=;i<=lenb-;i++)b[lenb-i]=b1[i]-;

    lenc=;

    x=;

    while(lenc<=lena||lenc<=lenb)

    {

        c[lenc]=a[lenc]+b[lenc]+x;

        x=c[lenc]/;

        c[lenc]%=;

        lenc++;

    }

    c[lenc]=x;

    if(c[lenc]==)

    lenc--;

    for(int i=lenc;i>=;i--)

    cout<<c[i];

    cout<<endl;

    return ;

}