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


int main(int argc, char * argv[]) {
    if(argc < 3) {
        printf("Nema dovolno argumenti\n");
        return 0;
    }
    FILE * in = fopen(argv[1], "r");
    FILE * out = fopen(argv[2], "w");

    if(in == NULL || out == NULL) {
        printf("Ne postoi datotekata\n");
        return 0;
    }

    char niza[2000], c;
    int i = 0;

    while((c = fgetc(in)) != EOF) {
        if(isalpha(c)) {
            niza[i] = c;
            i++;
        }
        else {
            if(i % 2 == 0 && isupper(niza[0])) {
                for(int j = 0; j < i; j++) {
                    fprintf(out, "%c", niza[j]);
                }
                fprintf(out, " ");
            }
            i = 0;
            niza[0] = '\0';
        }
    }

    return 0;
}