#include <stdio.h>
#include <string.h>
int main()
{
    char s[1002], word[100];
    int i, j, length, I_W_S;
    gets(s);
    length = strlen(s);
    I_W_S = 0;

    for(i = 0, j = 0; i < length; i++) {
        if(s[i] >= 'a' && s[i] <= 'z') {
            if(I_W_S == 0) {
                I_W_S = 1;
                word[j] = 'A' + s[i] - 'a';
                j++;
            }
            else {
                word[j] = s[i];
                j++;
            }
        }
        else if(s[i] >= 'A' && s[i] <= 'Z' || s[i] >= '0' && s[i] <= '9') {
            if(I_W_S == 0) {
                I_W_S = 1;
            }
            word[j] = s[i];
            j++;
        }
        else {
            if(I_W_S == 1) {
                I_W_S = 0;
                word[j] = '\0';
                printf("%s\n", word);
                j = 0;
            }
        }
    }
    return 0;
}