#include<bits/stdc++.h> using namespace std; int main() { int a,a1,a2,a3,a4,a5; cin>>a; a1=a/10000; a2=a/1000%10; a3=a/100%10; a4=a/10%10; a5=a%10; cout<<a5<<a4<<a3<<a2<<a1; return 0; }