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#include <bits/stdc++.h>

using namespace std;

string suma(string a, string b){
	
    if (a.length() > b.length()) swap(a, b);
 
    string s = "";
 
    int n = a.length(), m = b.length();
 
    reverse(a.begin(), a.end());
    reverse(b.begin(), b.end());
 
    int c = 0;
    for (int i = 0; i < n; i++){

        int sum = ((a[i] - '0') + (b[i] - '0') + c);
        s.push_back(sum%10 + '0');
 
        c = sum/10;
    }
 
    for (int i = n; i < m; i++){
    	
        int sum = ((b[i]-'0') + c);
        s.push_back(sum%10 + '0');
        c = sum/10;
    }
 
    if(c) s.push_back(c + '0');
 
    reverse(s.begin(), s.end());
 
    return s;
}



int main(){
	
	string a, b;
	cin >> a >> b;
	
	cout << suma(a, b) << '\n';
	
	return 0;
}