#include<iostream>

using namespace std;

const int N = 100;

char g[N][N];

int main()
{
    string str;
    cin>>str;

    int n = str.size();
    int n1 = (n+2)/3;
    int n2 = n+2-n1*2;

    int k = 0;
    for(int i = 0; i<n1; i++) g[i][0] = str[k++];
    for(int i = 1; i<n2; i++) g[n1-1][i] = str[k++];
    for(int i = n1-2; i>=0; i--) g[i][n2-1] = str[k++];

    for(int i = 0; i<n1; i++)
    {
        for(int j =  0; j<n2; j++)
            if(g[i][j]) cout<<g[i][j];
            else cout<<' ';
        cout<<endl;
    }
    return 0;
}