#include <iostream> //designed by hu 2025-10 using namespace std; int main(){ int n; int wan,qian,bai,shi,ge; cin>>n; wan = n/10000; qian = n/1000%10; bai = n/100%10; shi = n/10%10; ge = n%10; cout<<ge; cout<<shi; cout<<bai; cout<<qian; cout<<wan; return 0; }