$ gcc heart.c -o heart -lm && ./heart
***** *****
***..........** **..........***
*.................* *.................*
*....................* *....................*
*.....................*.....................*
*...My Dear：.............................. *
*....Never forget how much you are loved..*
**.......................................**
*.......................................*
*..............."521"...............*
*.................................*
*.............................*
**.........................**
*.......................*
*.................*
*.............*
*.........*
*.....*
*.*
*