#include <stdio.h>
#include <string.h>

#define N 5100

char s[N];

char toUpper(char c)
{
    if (c >= 'a' && c <= 'z')
        return c - 32;
    return c;
}

int main()
{
    gets(s);

    for (int i = 0; i < strlen(s); i ++ )
    {
        if (i == 0 || s[i - 1] == ' ')
        {
            char c = toUpper(s[i]);
            printf("%c", c);
        }
    }

    return 0;
}