#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <algorithm>
#include <string>
#include <sstream>
#include <complex>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>
#include <fstream>

using namespace std;
#define TOSTRING(x) #x
#define SZ(x) (int)(x).size()
#define REP(i,n) for(int i=0;i<(n);i++)
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define ALL(s) (s).begin(), (s).end()
#define so(V) sort(ALL(V))
#define rev(V) reverse(ALL(V))
#define uni(v) v.erase( unique(ALL(v)) , v.end());
#define PAU system("pause")

typedef long long unsigned int llu;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<vector <int> > vvi;
const int EPS = 1e-9;
const int MOD = 1e9 + 7;
const int INF = (1 << 30);
const double PI = acos(-1);

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	ll A, B;
	cin >> A >> B;
	ll ans = 0;
	bool b = true;
	if (A == 0 || B == 0) {
		cout << 0 << endl;
		b = false;
	}
	else if ((A % 100 == 0) &&( B % 100 == 0)) {
			int zero = 0;
			int AA = A;
			int BB = B;
			while (AA % 10 == 0) {
				zero++;
				AA /= 10;
			}
			while (BB % 10 == 0) {
				zero++;
				BB /= 10;
			}
			b = false;
			if (AA >= 10 || AA <= -10 || BB >= 10 || BB <= -10)b = true;
			if (!b) {
				cout << AA * BB;
				REP(i, zero - 1) {
					cout << 0;
				}
				cout << endl;
			}
	}
	if(b) {
		ans = A * B;
		string sa,sb;
		stringstream ssa, ssb;
		ssa << abs(A);
		ssb << abs(B);
		sa = ssa.str();
		sb = ssb.str();
		if (SZ(sa) + SZ(sb)-1 >= 9)cout << "E" << endl;
		else if (ans >= 100000000L || ans <= -100000000L)cout << "E" << endl;
		else cout << ans << endl;
	}
	PAU;
	return 0;
}