Title Case

Lab C Intermediate 20 points

Read a line and capitalise the first letter of every word, lower-casing the rest.

Input

One line.

Output

One line.

Example

Input

hELLO   wORLD from c

Output

Hello   World From C

Sample input available Sample output available

Editor

Hints

Remember whether the previous character was a space.

Solution explanation

A single flag is enough to know where words start.

Show solution

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

int main() {
    char s[300];
    fgets(s, 300, stdin);
    s[strcspn(s, "\n")] = '\0';
    int start = 1;
    for (int i = 0; s[i] != '\0'; i++) {
        if (s[i] == ' ') {
            start = 1;
        } else if (start) {
            s[i] = toupper(s[i]);
            start = 0;
        } else {
            s[i] = tolower(s[i]);
        }
    }
    printf("%s\n", s);
    return 0;
}

Output

Answer