/*
roco "Hello world!" with ca/ac
*/

/*define all the coroutines*/
co H{cout 72 ac}
co e{cout 101 ac}
co l{cout 108 ac}
co o{cout 111 ac}
co spc{cout 32 ac}
co w{cout 119 ac}
co r{cout 114 ac}
co d{cout 100 ac}
co excl{cout 33 ac}

/*call the coroutines to form "Hello World!"*/
ca H
ca e
ca l
ca l
ca o
ca spc
ca w
ca o
ca r
ca l
ca d
ca excl

/*ac at the end, or the program will loop forever*/
ac