#include <iostream>
#include <cstring>
using namespace std;

int main()
{
    char s[255];
    cin.getline(s,255);
    int i;
    s[0]=s[0]-32;
    s[strlen(s)-1]=s[strlen(s)-1]-32;

    for(i=1; i<=strlen(s)-2; i++)
        if(s[i]!=' ' && (s[i-1]==' ' || s[i+1]==' '))
            s[i]=s[i]-32;
    cout<<s;
    return 0;
}