#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
void init(int a[])
{
	string s;
	cin>>s;
	a[0]=s.length();
	for(int i=1;i<=a[0];++i)
	    a[i]=s[a[0]-i]-'0';
}
void plus_(int a[],int b[],int c[])
{
	int length;
	length=(a[0]>b[0])?a[0]:b[0];
	for(int i=1;i<=length;++i)
	{
		c[i]=a[i]+b[i];
		if(c[i]>=10){c[i]%=10;++c[i+1];}
	}
}
void prn(int c[])
{
	for(int i=c[0];i>0;i--)
	cout<<c[i];
}
int main()
{
	freopen("add.in","r",stdin);
	freopen("add.out","w",stdout);
    int m[101]={0},n[101]={0},c[101]={0};
    init(m);init(n);
    plus_(m,n,c);
    prn(c);
    return 0;
}