#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) {
    FILE * subor;

    int cislo;

    /* neportabilne, ale pre 16 a viac-bitove platformy postacujuce */
    int maximum = -30000;

    subor = fopen("cisla.txt", "r");
    if(subor == NULL) {
        printf("Subor cisla.txt nenajdeny.");
        return EXIT_FAILURE;
    }

    while(fscanf(subor, "%d", &cislo) != EOF) {
    	if(cislo > maximum) {
    		maximum = cislo;
    	}
    }

    printf("%d", maximum);


    if(fclose(subor) == EOF) {
    	printf("Nepodarilo sa zavriet subor.");
    	return EXIT_FAILURE;
    }

    return EXIT_SUCCESS;
}