#include<stdio.h>
#include<string.h>


int main()
{
    char ch[100000],des[100000],add[10000];
    int i,j,k,len1,len2,carry,sum,n,m;

    while(scanf("%s%s",ch,des)==2)
    {


        len2 = strlen(des);
        len1 = strlen(ch);
        strrev(ch);
        strrev(des);

        if(len1<len2)
        {
            for(i=len1; i<len2; i++)
            {
                ch[i]='0';
            }
            ch[len2]='\0';
            len1=len2;
        }
        else if(len2<len1)
        {
            for(i=len2; i<len1; i++)
            {
                des[i]='0';
            }
            des[len1]='\0';
            len2=len1;
        }
        carry = 0;
        sum=0;
        for(i=0; i<len1; i++)
        {
            n= ch[i]-48;
            m= des[i]-48;
            sum = n+m+carry;
            if(sum>9)
            {
                sum = sum%10;
                carry = 1;
            }
            else
            {
                carry=0;
            }
            add[i]= sum+48;
        }
        if(carry==1)
        {
            add[len1]='1';
            len1++;
        }
        add[len1]='\0';
        strrev(add);
        printf("%s\n",add);

        memset(des,'\0',sizeof(des));
        memset(ch,'\0',sizeof(ch));
        memset(add,'\0',sizeof(add));


    }
return 0;
}