这你都不会的话，哥们你别学了

#include <iostream>
using namespace std;
int main() {
    int n,i,a,b;
    cin>>n;
    i=n/100;
    a=n/10%10;
    b=n%10;
    cout<<b<<" "<<a<<" "<<i<<endl;
	return 0;
}