#include <stdio.h>
#include <string.h>
#include <math.h>

char str[5000][5000];
int main()
{
    int t, i, j, k, l, a, b, c, d, x, y, z, sum, count, len, max;
    char str2[5000];
    j = 0, max = 0;
    for (; ;)
    {
        gets (str2);
        if (feof(stdin))
        break;

        len = strlen(str2);
        if (len >= max)
        {
            max = len;
        }
        strcpy(str[j], str2);
        str[j][len] = '\0';
        j++;
    }

    for (k = 0; k < max; k++)
    {
        for (l = j - 1; l >= 0; l--)
        {
            if ( (str[l][k] != '\0') && str[l][k] != ' ' )
            {
                printf("%c", str[l][k]);
            }
        }
        printf("\n");
    }
    return 0;
}