#include <stdio.h>
#define true 1
#define false 0

int isSeparator(char c);
int isNumber(char c);
int isNegative(char c);

int main()
{
  char c;
  short check, negative;
  int int_max;
  unsigned long long number = 0;
  check = true;
  negative = false;
  int_max = 2147483647;

  do
    {
      c=getchar();
      if (isSeparator(c))
    {
    check = true;
    putchar(c);
    }
      if(check == false)
    {
    putchar(c);
    number = 0;
    }
      else if (isNumber(c) || isNegative(c))
    {
      number = 0;
      negative = false;
      if (isNegative(c))
        {
          c = getchar();
          negative = true;
        }
      while (c >= '0' && c <= '9' && number <= ((int_max / 10)- (c - '0')))
        {
          number = number*10 + (c - '0');
          c = getchar();
        }
      if (negative == true)
        number = -number;
      if (isSeparator(c))
        putchar(c);
      else if (isNumber(c) && negative == true)
        {
          printf("%ld", number);
          putchar(c);
          check = false;
        }
      else if (number != 0)
        {
          printf("%ld", number);
          putchar(c);
          check = false;
          number = 0;
        }
      else
        {
          putchar(c);
          check = false;
          number = 0;
        }
    }
      else if(!isSeparator(c)){
    putchar(c);
    check=false;
      }


    } while (c != EOF);
  return 0;
}

int isSeparator(char c)
{
  if (c == ' ' || c == ',' || c == '\t' || c == '\n' || c == EOF)
    return 1;
  else
    return 0;
}

int isNumber(char c)
{
  if (c >= '0' && c <= '9')
    return 1;
  else
    return 0;
}

int isNegative(char c)
{
  if (c == '-')
    return 1;
  else
    return 0;
}