#include<iostream> #include<cstdio> using namespace std; int main() { int a,b,c,d,e; //char b; //float c; //double d; //long long e; scanf("%1d%1d%1d%1d%1d",&a,&b,&c,&d,&e); cout<<e<<d<<c<<b<<a<<endl; return 0; }