Problem: Write a program which prints multiplication tables in the following format:


1x1=1
1x2=2
.
.
9x8=72
9x9=81




Input

No input.

Output


1x1=1
1x2=2
.
.
9x8=72
9x9=81


Example

Input




Output

Solution (in JAVA):

Solution:
class Main{public static void main(String[]s){for(int i=8;++i<90;)System.out.printf(i/9+"x%d=%d\n",i%9+1,i/9*(i%9+1));}}