#!/usr/local/bin/node
#!/usr/bin/js
function monad(f){
  f.bind = function(g){ return g(this()) };
  f.push = function(g){ return this.bind(monad(function(){ return g })) };
  return f;
}

var getClockTime = monad(function(){ return (new Date) + '' });
var putStrLn = function(s){ return monad(function(){ console.log(s) }) };
var pi = Math.atan2(1,1)*4;

var main = getClockTime.bind(putStrLn).push(putStrLn(pi));
main();