#include <iostream>
#include <string>
using namespace std;
int main(int argc, char* argv[])
{
	string A,B;
	cin>>A>>B;
	long long A1,B1;
	sscanf((char*)A.c_str(),"%lld",&A1);
	sscanf((char*)B.c_str(),"%lld",&B1);
	if (A1<100 || B1<100){
		cout<<A1*B1<<endl;
		return 0;
	}

	int zeroNum=0;
	bool bAllZero=true;
	int i=1;
	int sign=0;
	char ACh,BCh;
	if (A[0]=='-'){
		sign=1;
		i++;
		ACh=A[1];
	}else{
		ACh=A[0];
	}

	for (;i<A.size();i++){
		if (A[i]!='0'){
			bAllZero=false;
			break;
		}
		zeroNum++;
	}
	if (bAllZero){
		i=1;

		if (B[0]=='-'){
			if (sign==0){
				sign=1;
			}else{
				sign=0;
			}
			BCh=B[1];
			i++;
		}else{
			BCh=B[0];
		}
		for (;i<B.size();i++){
			if (B[i]!='0'){
				bAllZero=false;
				break;
			}
			zeroNum++;
		}
	}
	if (bAllZero){
		if (sign==1){
			cout<<"-";
		}
		cout<<(ACh-'0')*(BCh-'0');
		for (i=1;i<zeroNum;i++){
			cout<<"0";
		}
		cout<<endl;
		return 0;
	}
	long long C=A1*B1;
	if (C<-99999999 || C>99999999){
		cout<<"E"<<endl;
		return 0;
	}
	cout<<C<<endl;
	return 0;
}