i have some pausing errors

Assets/pause.js(5,20): BCE0005: Unknown identifier: 'imput'. is the complier error and here is my script

var paused : boolean = false;

function Update () {

if(imput.GetButtonUp( "p" )){

     if(!paused){
         Time.timeScale = 0 ;
         paused = true ;
     }

 }

}

please help me im not sure how to set the imput