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

#define MAXLEN 101
#define TOTLINES 230
#define TARGETWD 75

char A[TOTLINES][MAXLEN];

void readFile ()
{
   char line[100];
   int i;

   for (i=0; i<TOTLINES; ++i) {
      fgets(A[i],MAXLEN,stdin);
      A[i][strlen(A[i])-1] = '\0';
   }
}

void procLine ( int k , int flag )
{
   char *line;
   int delta, nsp, asp, len, i, j, new[MAXLEN], s, t, curr;

   line = A[k];
   len = strlen(line);
   if (len > TARGETWD) {
      fprintf(stderr, "Ovefull line no %d\n", k+1);
      return;
   }
   delta = TARGETWD - len;
   nsp = 0;
   for (i=0; i<len; ++i) if (line[i] == ' ') ++nsp;
   for (i=0; i<nsp; ++i) new[i] = delta / nsp;
   asp = (delta / nsp) * nsp;
   if (flag == 0) {
      i = 0;
      while (asp < delta) {
         ++new[i];
         ++asp;
         ++i;
      }
   } else {
      i = nsp - 1;
      while (asp < delta) {
         ++new[i];
         ++asp;
         --i;
      }
   }
   s = len - 1;
   t = TARGETWD;
   line[t--] = '\0';
   i = nsp - 1;
   while (t >= 0) {
      line[t--] = line[s];
      if (line[s--] != ' ') continue;
      for (j = 0; j < new[i]; ++j) line[t--] = ' ';
      --i;
   }
}

void printLine ( int k )
{
   printf("%s\n", A[k]);
}

void justify ()
{
   int i = 0, j, k, flag;

   while (i < TOTLINES) {
      j = i;
      while (strlen(A[j]) > 0) ++j;
      flag = 0;
      for (k=i; k<j-1; ++k) {
         procLine(k,flag);
         printLine(k);
         flag = 1 - flag;
      }
      printLine(j-1);
      printLine(j);
      i = j + 1;
   }
}

int main ()
{
   readFile();
   justify();
}