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#include<bits/stdc++.h>
using namespace std;


#define st first
#define nd second
#define pb push_back
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define sor(x) sort(all(x))
#define rev(x) reverse(all(x))
#define rsz(x) resize(x)
#define BOOST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

typedef long long ll;
typedef pair<int,int>pii;
typedef long double ldl;
typedef pair<ll,ll>pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vii;
typedef vector<pll>vll;
typedef unsigned long long ul;


int main()
{
	BOOST
	string a,b;
	cin>>a>>b;
	int s = max(sz(a),sz(b))-min(sz(a),sz(b));
	string t(s,'0');
	if(sz(a) < sz(b))
		a = t+a;
	else
		b = t+b;
	int r =0;
	string ans ="";
	for(int i = sz(a)-1 ; i >=0 ; i--)
	{
		ans+=char((a[i]+b[i]+r-2*'0')%10 + '0');
		r = (a[i]+b[i]+r-2*'0')/10;
	}
	if(r)
		ans+=char(r+'0');
	rev(ans);
	cout<<ans;
	return 0;
}