#include<iostream> #include<cstdio> using namespace std; int main() { int a1,a2,a3,a4,a5; scanf("%1d%1d%1d%1d%1d",&a1,&a2,&a3,&a4,&a5); printf("%d%d%d%d%d",a5,a4,a3,a2,a1); return 0; }