var alpha=20, beta=30;
alpha==beta?gamma=56:gamma=57;

var input="12.51km";
length=parseFloat(input);
document.write(length);

var Lit=["yes","no","maybe"];
document.write(Lit[2]);

var a=7;
a+=12;
a-=4;
a*=5;
a/=3;
a%=2;
document.write(a);

var name="My name is Emran!";
document.write(name.length);

var a=5;
var b=6;
var c=(a<b);
var d="Print "+(c*25)+" dollars";
alert(d);