#include<stdio.h>

char _[1024][1025];
int n, u, k, o;

int main()
{
   for(n = 0; n < 1024; n++)
      for(u = 0; u < 1025;)
         _[n][u++] = 32;
   for(u = n = 0; (o = getchar()) != EOF && u < 1024;)
      u += o - 10
         ? n < 1024
            ? _[n++][u] = o,
              k = k < n ? n : k,
              0
            : 0
         : !(n = 0);
   for(; k--; puts(_[k]))
      _[k][u] = 0;
   return 0;
}