#include <iostream>

#include <string>

#include <cmath>

#include <cstdio>

using namespace std;

int main()

{

    string num1,num2;

    while(cin>>num1>>num2)

    {

        //判断正负号

        int flag1 = ,flag2 = ;

        if(num1[] == '-') flag1 = -;

        if(num2[] == '-') flag2 = -;

        //判断两数字的长度

        int len1=,len2=;

        for(int i = ;i < num1.length();i++)

            if(num1[i]>=''&&num1[i]<='') len1++;

        for(int i = ;i < num2.length();i++)

            if(num2[i]>=''&&num2[i]<='') len2++;

        //分别求出两个数的绝对值

        __int64 number1=,number2=;

        for(int i = ;i < num1.length();i++) {

            if(num1[i]>=''&&num1[i]<='') {

                number1 += (num1[i]-'')*pow(,--len1);

            }

        }

        for(int i = ;i < num2.length();i++) {

            if(num2[i]>=''&&num2[i]<='') {

                number2 += (num2[i]-'')*pow(,--len2);

            }

        }

        number1 *= flag1;

        number2 *= flag2;

        printf("%I64d\n",number1+number2);

    }

    return ;

}