#include <iostream> //designed by lu 202509-0930 using namespace std; int main(){ int fiveDigitNumber; cin>>fiveDigitNumber; int a,b,c,d,e; // [a] [b][c][d][e] a = fiveDigitNumber/10000; e = fiveDigitNumber%10; b = fiveDigitNumber/1000%10 ; c = fiveDigitNumber/100 %10; d = fiveDigitNumber/10%10; cout<<e<<d<<c<<b<<a; return 0; }