#include <bits/stdc++.h> using namespace std; char s1[505] , s2[505]; int a[505] , b [505] , c[505]; int la , lb , lc; int main () { la = strlen(s1); lb = strlen(s2); cin >> s1; cin >> s2; for (int i = 0 ; i <= la ; i++) { a[la - i] = s1[i] - '0';

}
for (int i = 0 ; i < lb ; i++)
{
	b[lb - i] = s2[i] - '0';
}
lc = max (la , lb ) + 1;
for (int i = 1; i <= lc ; ++i )
{
	c[i]+= a[i] + b[i];
	c[i+1] = c[i]/10;
	c[i]=c[i]%10;
}
if (c[lc] == 0 && lc > 0)
{
	lc--;
}
for (int i = lc ; i > 0 ; i--)
{
	cout << c[i];
}
return 0;

}

#include <bits/stdc++.h>
using namespace std;
char s1[505] , s2[505];
int a[505] , b [505] , c[505];
int la , lb , lc;
int main ()
{
	la = strlen(s1);
	lb = strlen(s2);
	cin >> s1;
	cin >> s2;
	for (int i = 0 ; i <= la ; i++)
	{
		a[la - i] = s1[i] - '0';
		
	}
	for (int i = 0 ; i < lb ; i++)
	{
		b[lb - i] = s2[i] - '0';
	}
	lc = max (la , lb ) + 1;
	for (int i = 1; i <= lc ; ++i )
	{
		c[i]+= a[i] + b[i];
		c[i+1] = c[i]/10;
		c[i]=c[i]%10;
	}
	if (c[lc] == 0 && lc > 0)
	{
		lc--;
	}
	for (int i = lc ; i > 0 ; i--)
	{
		cout << c[i];
	}
	return 0;
	
}