b=input()
y1=0
a=b.split()
for i in a:
  if '(' in i:
    y1=1
  if y1==0:
    print(i,end=" ")
  else:
    en=i[len(i)-1]
    if '(' in i:
      print(chr(ord(i[1])-32),end='')
    else:
      print(chr(ord(i[0])-32),end='')
    if en==',' or en=='.':
      print(en,end=' ')
    elif en==')':
      print('',end=' ')
  if ')' in i:
    y1=0
/**************************************************************
	Problem: 1278
	User: admin
	Language: Python
	Result: Accepted
	Time:94 ms
	Memory:34480 kb
****************************************************************/