f=open("input.txt","r")
f1=open("output.txt","w")
x=f.readlines()
for i in x:
    s=i.split()
    for j in range(len(s)):
        if s[j].isupper():
            f1.write(s[j])
        else:
            f1.write(s[j].capitalize())
        if j!=len(s)-1:
            f1.write(' ')
    f1.write('\n')
f1.close()
f.close()