大写

#
str = list(raw_input())
N = len(str)
''.isspace()
for i in range(N-1):
    if str[i].isalpha():
        str[i] = str[i].upper()
        break
for i in range(1,N):
    if str[i].isalpha() and str[i-1].isspace():
        str[i] = str[i].upper()
print ''.join(str)