#include <bits/stdc++.h>

using namespace std;

string sum(string a, string b){
  reverse(a.begin(), a.end());
  reverse(b.begin(), b.end());
  string ans;
  int c = 0;
  if(a.size() < b.size())
    swap(a, b);
  for(int i = 0; i < b.size(); ++i){
    int m = (a[i] - '0') + (b[i] - '0');
    m += c;
    int x = m % 10;
    ans += to_string(x);
    c = m / 10;
  }
  for(int i = b.size(); i < a.size(); ++i){
    int m = (a[i] - '0') + c;
    ans += to_string(m % 10);
    c = m / 10;
  }
  if(c > 0){
    ans += to_string(c);
  }
  reverse(ans.begin(), ans.end());
  return ans;
}

string mul(string s, int n){
  string a;
  int c = 0;
  reverse(s.begin(), s.end());
  for(int i = 0; i < s.size(); ++i){
    int m = (s[i] - '0') * n;
    m += c;
    int b = m % 10;
    a += to_string(b);
    c = m / 10;
  }
  if(c > 0){
    a += to_string(c);
  }
  reverse(a.begin(), a.end());
  return a;
}

int main() {
  string s;
  int n;
  cin >> s >> n;
  cout << sum(mul(s, n / 10) + '0', mul(s, n % 10));

}