#include <iostream> using namespace std; int main() { int n; cin>>n; int ge=n%10; int shi=n%100/10; int bai=n%1000/100; int qian=n/1000; cout<<ge<<shi<<bai<<qian; }
#include <iostream> using namespace std; int main() { int n; cin>>n; int ge=n%10; int shi=n%100/10; int bai=n%1000/100; int qian=n/1000; cout<<ge<<shi<<bai<<qian; }