Description

Snowflakes
一片两片三四片，
五片六片七八片，
九片十片无数片，
飞入梅花看不见。
Try to write a program to calculate the sum of the numbers 1, 2, 3, and 4 in the first line of "Snowflakes".

Input Format

None.

Output Format

First, output the mathematical expression "$1+2+3+4=$", then output their sum.

Sample

None

1+2+3+4=10