function vratznak(cis)
{
  switch(cis){
    case 48:return "0";
	case 49:return "1";
	case 50:return "2";
	case 51:return "3";
	case 52:return "4";
	case 53:return "5";
	case 54:return "6";
	case 55:return "7";
	case 56:return "8";
	case 57:return "9";
  }
}

function correctinput(number)
{
    var pom="";
	for(x=0;x<number.length;x++)
    {
        if (number.charCodeAt(x)==44) pom+=".";
		else pom+=number.charAt(x);
	}
	return pom;
}

function correctoutput(number)
{
	var poz;
	var stringvysl=number.toString();
	var bylojiny0=0;
	var platnamista=0;
	var ciscis=number;
	for(x=0;x<stringvysl.length;x++)
    {
      code=stringvysl.charCodeAt(x);
	  if ((code>47)&&(code<58)) 
	    {
		 if (code==48){if (bylojiny0) platnamista++;}
		   else {platnamista++; bylojiny0=1;}
		}
	  if (!(((code>47)&&(code<58))||(code==44)||(code==46))) {break;};
	  if (platnamista==12) {poz=x;break;}
	}
	if (platnamista==12)
	{
	  stringvysl.toLowerCase();
	  indexe=stringvysl.indexOf("e");
	  novy="";
	  x=stringvysl.length-1;
	  if (indexe!=-1) 
	  {	
	    for(x=stringvysl.length-1;x>-1;x--)
	     {
	      novy=stringvysl.charAt(x)+novy;
	      if (x==indexe) {break;};
	     }
		x--;
	  }
	  for(;x>-1;x--)
	    {
		 code=stringvysl.charCodeAt(x);
	     if ((code>47)&&(code<58)){novy="0"+novy;}
		   else {novy=stringvysl.charAt(x)+novy;};
	     if (x==poz) {break;};
		}
	  x--;
	  var dal;
	  if (stringvysl.charCodeAt(poz)>52) {dal=1;}
	    else {dal=0;};
	  if (dal==1)
	  {
	    for(;x>-1;x--)
	    {
		  code=stringvysl.charCodeAt(x);
	      if ((code>47)&&(code<58))
		  {
		    code=code+dal;
		    dal=0;
		    if (code>57){code=48;dal=1;};
		    novy=vratznak(code)+novy;
		  }
		  else {novy=stringvysl.charAt(x)+novy;};
		}
		if (dal==1) {novy="1"+novy;};
	  }
	  else
	  {
		for(;x>-1;x--)
	      {novy=stringvysl.charAt(x)+novy;};
      }
	  ;
	  var ciscisnew=novy.valueOf()*1;
	  rozdil=Math.abs((ciscisnew-number)/number); 
	  if (rozdil<1e-10) ciscis=ciscisnew;
	}
	return ciscis;
}