#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; int a=n/100;//123 int b=a%10;//3 int c=a%100;//23 int d=c/10;//2 int e=a/100;//1 int f=n%1000;//345 int g=f/10;//34 int l=g%10;//4 int h=f%100%10;//5 cout<<h<<l<<b<<d<<e; return 0; }