#include<fstream>
#include<string>
using namespace std;
int main()
{
	ifstream fin("add.in");
	ofstream fout("add.out");
	int m=0,la=0,lb=0,xa=0,xb=0,z=0,he=0;
	int x[101]={0},y[101]={0},ans[101]={0};
	string a,b;
	fin>>a>>b;//fout<<a<<endl<<b<<endl;
    la=a.length();
	lb=b.length();
	if(la>lb)
		m=la+1;
	else m=lb+1;//fout<<m<<endl;
	for(int i=la-1;i>=0;i--){
		x[xa]=a[i]-'0';
		//fout<<x[xa]<<' ';
		xa++;}
	//fout<<endl;
	for(int i=lb-1;i>=0;i--){
		y[xb]=b[i]-'0';
		//fout<<y[xb]<<' ';
		xb++;}
	for(int i=0;i<m;i++){
		he=z+x[i]+y[i];
		ans[i]=he%10;
		z=he/10;/*fout<<z<<endl;*/}
	if(ans[m-1]!=0)
		fout<<ans[m-1];
	for(int i=m-2;i>=0;i--){
		fout<<ans[i];}
	fin.close();
	fout.close();
return 0;
}