include <bits/stdc++.h>

using namespace std;

int main() {
int so ;
cin >> so ;
if (so < 100 || so > 999) {
return 0 ;
} else {
int hangtram = so / 100;
int hangchuc = (so / 10) % 10;
int hangdonvi = so % 10;
cout << hangtram << "\n" ;
cout << hangchuc << "\n" ;
cout << hangdonvi << "\n" ;
}

return 0;

}