#include<bits/stdc++.h> 
using namespace std;
string s1,s2;
int a[245],b[245],c[245];
int main(){
	//ÊäÈë 
	cin>>s1>>s2;
	for(int i=s1.size()-1;i>=0;i--){
		a[s1.size()-1-i]=s1[i]-'0';
	}
	for(int i=s2.size()-1;i>=0;i--){
		b[s2.size()-1-i]=s2[i]-'0';
	}
	int len=max(s1.size(),s2.size());
	for(int i=0;i<len;i++){
		c[i]=a[i]+b[i];
	}
	for(int i=0;i<len;i++){
        if(c[i]>9){
            c[i+1]=c[i+1]+c[i]/10;
            c[i]=c[i]%10;
        }
    }
	if(c[len]!=0) len++;
	for(int i=len;i>=0;i--){
		cout<<c[i];
	}
}
/**************************************************************
	Problem: 1268
	User: panyuchen
	Language: C++
	Result: Wrong Answer
****************************************************************/