import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String A = scan.next();
		String B = scan.next();
		scan.close();
		int cnt1 = 0;
		int cnt2 = 0;
		for(int i = 0; i < A.length(); i++) {
			if(A.charAt(i) == '0') {
				cnt1 ++;
			}
		}
		for(int i = 0; i < B.length(); i++) {
			if(B.charAt(i) == '0') {
				cnt2 ++;
			}
		}

		if(A.charAt(0) != '-' && B.charAt(0) != '-') {
			if(cnt1 >= 2 && cnt2 >= 2 && cnt1 == A.length() - 1 && cnt2 == B.length() - 1) {
				int t1 = Integer.parseInt(A.substring(0, 1));
				int t2 = Integer.parseInt(B.substring(0, 1));
				int ans = t1 * t2;
				System.out.print(ans);
				for(int i = 0; i < cnt1 + cnt2 - 1; i++) {
					System.out.print("0");
				}
				System.out.println();
			}else {
				long t1 = Integer.parseInt(A);
				long t2 = Integer.parseInt(B);
				long ans = t1 * t2;
				if(ans >= 0) {
					String k = Long.toString(ans);
					if(k.length() <= 8) {
						System.out.println(k);
					}else {
						System.out.println("E");
					}
				}
			}
		}else if(A.charAt(0) != '-' || B.charAt(0) != '-') {
			long t1 = Integer.parseInt(A);
			long t2 = Integer.parseInt(B);
			if(t1 < 0) {
				t1 = -t1;
			}
			if(t2 < 0) {
				t2 = -t2;
			}
			String A1 = Long.toString(t1);
			String B1 = Long.toString(t2);
			if(cnt1 >= 2 && cnt2 >= 2 && cnt1 == A1.length() - 1&& cnt2 == B1.length() - 1) {
				long ans = t1 * t2;
				String k = Long.toString(ans);
				k = k.substring(0, k.length() - 1);
				System.out.println("-" + k);
			}else {
				long ans = t1 * t2;
				if(ans >= 0) {
					String k = Long.toString(ans);
					if(k.length() <= 8) {
						System.out.println("-" + k);
					}else {
						System.out.println("E");
					}
				}

			}
		}else {
			if(cnt1 >= 2 && cnt2 >= 2 && cnt1 == A.length() - 2&& cnt2 == B.length() - 2) {
				int t1 = Integer.parseInt(A.substring(1, 2));
				int t2 = Integer.parseInt(B.substring(1, 2));
				int ans = t1 * t2;
				System.out.print(ans);
				for(int i = 0; i < cnt1 + cnt2 - 1; i++) {
					System.out.print("0");
				}
				System.out.println();
			}else {
				long t1 = Integer.parseInt(A);
				long t2 = Integer.parseInt(B);
				long ans = t1 * t2;
				if(ans >= 0) {
					String k = Long.toString(ans);
					if(k.length() <= 8) {
						System.out.println(k);
					}else {
						System.out.println("E");
					}
				}
			}
		}
	}
}