//
// Created by bruno on 12/11/23.
//

#include "lepsiznak.h"
#include "stdio.h"

void invertcase(int *c){
    if (*c >= 'a' && *c <= 'z'){
        *c -= 0x20;
    }
    else if (*c >= 'A' && *c <= 'Z'){
        *c += 0x20;
    }
}

int lepsiznak(){

    int c;
    int pocet = 0;
    const int koniec = 'k';

    while ( (c = getchar()) != koniec){
        invertcase(&c);
        putchar(c);
        pocet++;
    }
    printf("\nVydržal si %d znakov pred tým, ako si napísal %c.\n", pocet, koniec);
    return 0;

}