:think:

stuck.js

function(ctx, args)
{
	//ca = call arguments, r = response, ezs = ez index.
	var ca={},r,i
	var	ez = "open unlock release".split(" ")
    , p = "2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97".split(' ')

	//initially call func to get response.
	function c() {
		r = args.t.call(ca)
	}
	c()

	//check for errors
	function n(){return !r.includes("not the")}

	//pwn the "ez_x" parameter
	function pwn(ezs) {
		for (i of ez) {
			ca[ezs] = i;
			c()
			if (n()) break
		}
	}

	for (;;) {
		//done yet?
		if (r.includes("Con")) return ca

		//ez21
		if (r.includes("Z_2"))
		{
			pwn("ez_21")
		}
		//ez35
		else if (r.includes("Z_3"))
		{
			pwn("ez_35")
			for (i=0; i<10; i++) {
				ca.digit = i
				c()
				if(n()) break
			}
		}
		//ez40
		else
		{
			pwn("ez_40")
			//6-30
			for (i of p) {
				ca.ez_prime = +p
				c()
				if(n()) break
			}
		}
	}

}