#include <stdio.h>

char toUpper(char input) {
    if (input >= 'a') {
        return input - 'a' + 'A';
    }
    else {
        return input;
    }
}

int main() {
    char ch;
    FILE* fl;
    fl = fopen("upper.txt", "w+");
    while (1) {
        ch = getchar();
        if (ch == '#') {
            break;
        } 
        fprintf(fl, "%c", toUpper(ch));
    }
    fflush(fl);
    // fclose(fl);
    // fl = fopen("upper.txt", "r");
    rewind(fl);
    while(!feof(fl)) {
        putchar(fgetc(fl));
    }
    return 0;
}