#include <iostream>

using namespace std;

string add (string &s1, string &s2){ int carry=0,sum,i;

string  min=s1,
max=s2,
result = "";

if (s1.length()>s2.length()){
      max = s1;
      min = s2;
} else {
      max = s2;
      min = s1;
}

for (i = min.length()-1; i>=0; i--){
      sum = min[i] + max[i + max.length() - min.length()] + carry - 2*'0';

      carry = sum/10;
      sum %=10;

      result = (char)(sum + '0') + result;
}

i = max.length() - min.length()-1;

while (i>=0){
      sum = max[i] + carry - '0';
      carry = sum/10;
      sum%=10;

      result = (char)(sum + '0') + result;
      i--;
}

if (carry!=0){
      result = (char)(carry + '0') + result;
}               

return result;
}

int main (){ string a,b;

cin >> a >> b;

cout << add (a,b)<<endl;

return 0;
}