


int main()
{
    char s1[256],s2[256];
    scanf("%s %s",s1,s2);
    int a,b,l1,l2,l=0;
    int c[256]={0};
    
    l1=strlen(s1);
    l2=strlen(s2);

    while (l1>0||l2>0)
    {
        a = (l1 > 0) ? s1[--l1] - '0' : 0;
        b = (l2 > 0) ? s2[--l2] - '0' : 0;
        
        c[l]+=a+b;
        c[l+1]+=c[l]/10;
        c[l++]=c[l]%10;
    }
    
    while (c[l]==0&&l>0)
        l--;
    for (int i=l; i>=0; i--)
        printf("%d",c[i]);
    return 0;
}
