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 CPP):

Solution:
#include <stdio.h>
int main(void){
    for(int i=1,j=1;i<=9;i+=j/9,j=j%9+1)printf("%dx%d=%d\n",i,j,i*j);
    return 0;
}