#include<bits/stdc++.h>
using namespace std;
string s1,s2,s3;
int l1,l2;
int a,b,c,j;
char ch;
int main()
{
	cin>>s1>>s2;
	l1=s1.size();l2=s2.size();
	if(l1<l2) {swap(s1,s2);swap(l1,l2);}
	for(int i=1;i<=l1-l2;i++) s2='0'+s2;
	j=0;
	for(int i=l1-1;i>=0;i--)
	{
		a=s1[i]-'0';
		b=s2[i]-'0';
		c=a+b+j;
		if(c>=10) {c=c-10;j=1;}
		else      j=0;
		ch=char(c+'0');
		s3=ch+s3;
	}
	if(j==1) s3='1'+s3;
	cout<<s3;
	return 0;
}