C :

#include<stdio.h>
int main()
{
	int a;
	scanf("%d",&a);
	printf("%d",a%100*100+a/100);
	return 0;
}

C++ :

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	cout<<(n/10%10*10+n%10)*100+n/100;
}

Java :

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int q = x / 100 ;
		int h = x % 100 ;
		int sum = q + h * 100;
		System.out.println(sum);
	}
}

Python :

n=int(input())
print(((n%100)*100)+(n//100))