include <iostream>
#include <string.h>
using namespace std;
int main()
{
char s[256];
cin.getline(s,256);
int leng=strlen(s), i;
s[0]=toupper(s[0]); s[leng-1]=toupper(s[leng-1]);
for (i=1; i<leng-1; ++i)
{
if (s[i]>='a' && s[i]<='z' && s[i+1]==' ')
s[i]=toupper(s[i]);
if (s[i]>='a' && s[i]<='z' && s[i-1]==' ')
s[i]=toupper(s[i]);
}
cout << s;
return 0;
}