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:
#import<cstdio>
int main(){for(int i=0,j,k;j=i/9+1,k=i%9+1,81-i;i++)printf("%dx%d=%d\n",j,k,j*k);}