Decrement OR Increment : DECINC | CodeChef Solution

Problem

Write a program to obtain a number NN and increment its value by 1 if the number is divisible by 4 otherwise decrement its value by 1.

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Input Format

First line will contain a number NN.

Output Format

Output a single line, the new value of the number.

Constraints

0≤N≤1000

Sample

Input

5

Output

4

Explanation

Since 5 is not divisible by 4 hence, its value is decreased by 1.

Solution

        
cpp
        

            
        
     
#include <iostream>
using namespace std;

// Solution from : Code Radius [ https://radiuscode.blogspot.com/ ]

int main() {
 int n;
	cin>>n;
	if(n%4==0)
	 ++n;
	else --n;
	cout<<n<<endl;
 return 0;
}

        
swift
        

            
        
     
/* package codechef; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		System.out.println(n%4==0?n+1:n-1);
	}
}

        
dart
        

            
        
     
num = int(input())
if num % 4 == 0:
    print(num + 1)
else:
    print(num - 1)

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