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 PYTHON3):

Solution:
from itertools import product

for i, j in product(range(1,10), repeat=2):
    print('%dx%d=%d' % (i, j, i*j))