#include<fstream.h>
int main()
{long int s,t,a,b,ca,cb,c,p=1;
ifstream f("adunare.in");
ofstream g("adunare.out");
f>>a; f>>b;  s=0;  t=0;
while (a!=0||b!=0)
	{ca=a%10;
	cb=b%10;
	c=(ca+cb+t)%10;
	t=(ca+cb+t)/10;
	s=s+p*c;
	p=p*10;
	a=a/10;
	b=b/10;}
if (t==1) s=s+p*t;
else g<<s;
f.close();
g.close();}