#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <cstring>
#include <cctype>
#include <cmath>
#include <stack>
#include <queue>
#include <vector>
#include <set>
#include <map>
#include <list>
#include <stdio.h>
#include <string.h>
#include <cstdlib>
#include <math.h>
#include <bitset>
#include <iterator>
#include <iomanip>
#include <sstream>
#include <numeric>
#define INF 2000000000
using namespace std;
int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1};
#define sym cout<<"---------"<<endl;
#define ll long long
#define PL pair<long long, long long>
#define P pair<int,int>
#define mk make_pair
#define en endl
#define WHITE 0
#define BLACK 2
#define GRAY 1
#define RE return 0
#define int ll


signed main(){
  int a,b;
  cin>>a>>b;
  string A=to_string(a), B=to_string(abs(b));
  if(a%10==0&&abs(a)>=100&&b%10==0&&abs(b)>=100&&A[1]=='0'&&B[1]=='0'){
    cout<<a*b/10<<en;
    RE;
  }else{
    int n=a*b;
    if(abs(n)>=100000000) cout<<'E'<<en;
    else cout<<n<<en;
  }
}