#include <bits/stdc++.h> using namespace std; int x,ans,ans1; int main() { cin>>x; ans=x%10; ans1=x/10%10; cout<<ans<<ans1; return 0; }太逊了

#include<iostream> using namespace std; int main(){ int n; cin>>n; int b=n%10*10+a/10; if(n%10==0){ cout<<"0"<<a/10; }else{ cout<<b; } return 0;