7.3

// uloha-7-3.c -- Tyzden 7 - Uloha 3
// Katarina Rafcikova, 6.11.2014 17:38:01

#include <stdio.h>
#define MAX 50

int main()
{
    char pole[MAX], c, x, y, z;
    int i = 0, j = 0, velkost = 0;

    while ((c = getchar()) != '\n') {
        if (i < MAX) {
            pole[i] = c;
            i++;
            velkost = i;
        }
    }
    x = getchar();
    y = getchar();
    z = getchar();

    for (i = 0; i < velkost; i++) {
        if ((pole[i] == x) && (pole[i + 1] == y) && (pole[i + 2] == z)) {
            for (j = i; j < velkost; j++) {
                pole[j] = pole[j + 3];
                i = 0;
            }
            velkost -= 3;
        }
    }
    for (i = 0; i < velkost; i++) {
        printf("%c", pole[i]);
    }
    return 0;
}