#include<iostream>
#include<string>
#include<math.h>

using namespace std;

int main() {

	int A, B;
	cin >> A >> B;
	string astr = to_string(A);
	string bstr = to_string(B);
	if (A%100==0 && B%100==0 ) {
		int size = astr.size() + bstr.size()-3;
		while (A>=10 || A<=-10) {
			A /= 10;
		}
		while (B>=10 || B<=-10) {
			B /= 10;
		}
		int ans = A * B;
		cout << ans;
		for (int i = 0;i < size;i++) {
			cout << 0;
		}

		return 0;
	}
	else {
		if (astr.size()+bstr.size() > 8)cout << 'E' << endl;
		else cout << A * B << endl;;
	}

	return 0;
}