输入样例：
5 7
标题输出样例：
53
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String[] arr = br.readLine().split(" ");
int a = Integer.parseInt(arr[0]);
int b = Integer.parseInt(arr[1]);
int c = a*b;
StringBuilder sb = new StringBuilder();
sb.append(c+"");
String ans = sb.reverse().toString();
int as = Integer.parseInt(ans);
System.out.println(as);
}
}
