#include<bits/stdc++.h>
using namespace std;

int main()
{
    int num,a,b,c,d;
    cin>>num;
    a=num%10;
    b=num/10%10;
    c=num/100%10%10;
    d=num/1000%10%10%10;
    cout<<d<<" "<<c<<" "<<b<<" "<<a;
    return 0;
}

#include #include using namespace std; int main() { int x,s,a,d,c; cin>>x; s=x/1000; a=x/100%10; d=x/10%10; c=x%10; cout<<s<<" "<<a<<" "<<d<<" "<<c<<endl; return 0 ;