#include<bits/stdc++.h> using namespace std; int main() { int a,b,c,d,e,f,g,h,j; cin >>a; b=a/10; c=b%10; d=b/10; e=d%10; f=d/10; g=f/10; h=f%10; j=a%10; cout<<j<<c<<e<<h<<g; return 0; }