#include<fstream>
#include<string.h>
using namespace std;
ifstream q("ab.in");
ofstream w("ab.out");
int v1[101],v2[101],l,i,j;
void adunare()
{for(i=100;i>=100-l+1;i--)
   {v1[i]=v1[i]+v2[i];
   if(v1[i]>9)
    {v1[i]=v1[i]-10;
   v1[i-1]++;
   l++;}}
while(v1[100-l+1]==0)
 l--;
for(i=100-l+1;i<=100;i++)
  w<<v1[i];}
void scadere()
{for(i=100;i>=100-l+1;i--)
   if(v1[i]>=v2[i])
     v1[i]=v1[i]-v2[i];
   else
    {j=i-1;
    while(v1[j]==0)
      {v1[j]=9;
      j--;}
    v1[j]--;
    v1[i]=v1[i]+10;
    v1[i]=v1[i]-v2[i];}
while(v1[100-l+1]==0)
 l--;
for(i=100-l+1;i<=100;i++)
  w<<v1[i];}
int main()
{char va1[101],va2[101];
q>>(va1+1);
l=strlen(va1+1);
for(i=100;i>=100-l+1;i--)
  v1[i]=va1[l-(100-i)]-'0';
q>>(va2+1);
l=strlen(va2+1);
for(i=100;i>=100-l+1;i--)
  v2[i]=va2[l-(100-i)]-'0';
adunare();
/*w<<"\n";
l=strlen(va1+1);
for(i=100;i>=100-l+1;i--)
  v1[i]=va1[l-(100-i)]-'0';
l=strlen(va2+1);
for(i=100;i>=100-l+1;i--)
  v2[i]=va2[l-(100-i)]-'0';
scadere();*/
return 0;}