You will be provided with a number. Print the number of days in the month corresponding to that number.

You will be provided with a number. Print the number of days in the month corresponding to that number.

Note: In case the input is February, print 28 days. If the Input is not in valid range print "Error".

Input Description:
The input is in the form of a number.

Output Description:
Find the days in the month corresponding to the input number. Print Error if the input is not in a valid range.

Sample Input :
8

Sample Output :
31

 const readline = require('readline');
 const inp = readline.createInterface({
  input: process.stdin
 });
 const userInput = [];
 inp.on("line", (data) => {
 userInput.push(data);
 });
 inp.on("close", () => {
 var data = userInput[0].split(" ");
 var a = parseInt(data[0]);
if(a==2)
 console.log("28")
 else if(a==1||a==3||a==5||a==7||a==8||a==10||a==12)
 console.log("31")
 else if (a==2||a==4||a==6||a==9||a==11)
  console.log("30")
 else if(a<1||a>12)
  console.log("Error")
 });