line=raw_input('please input: ')
print line
n=len(line)
n1=0
n2=0
n3=0
for ch in line:
if ch in '0123456789':
n1+=1
if ch in 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz':
n2+=1
if ch==' ':
n3+=1
n4=n-n1-n2-n3
print n2,n3,n1,n4
################################
import string
str1=raw_input('please a english sentence: ')
str2=string.upper(str1)
print str2
##################################
s=0
for n in range(1,1001):
s=s+1.0/(4*n-3)-1.0/(4*n-1)
print 4*s