#include <iostream>
#include <string>

using std::cin;
using std::cout;
using std::string;

int main(void){
    string rijec;

    cout << "Unesi rijec: ";
    cin >> rijec;

    int duljina = rijec.length();
    int razmak = 0;

    while(razmak < duljina){
        int i;
        for(i=0; i<razmak; i++)
            cout << " ";
        for(i; i<duljina; i++)
            cout << rijec[i];
        cout << std::endl;
        razmak++;
    }


    return 0;
}