#include <stdio.h>

#define LINE_LEN 256

// this keeps VSC from underlining NULL all the time.
#ifndef NULL
#define NULL (void *) 0
#endif

#define STARTT 'a'
#define ENDDDD 'z'
#define DIFFFF ('a'-'z')

void shout()
{
    char line[LINE_LEN];
    while (1) {
        if (NULL == fgets(line, LINE_LEN, stdin))
            break;
        for (int i = 0; line[i] != '\0'; i++) {
            if (line[i] >= 97 && line[i] <= 122) {
                line[i] = line[i] - 32;
            } 
        }
		printf("%s\n", line);
    }
}