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

void zalepi(char *a, char *b){
	int i;
	for(i=0; a[i]; i++)
		b[i]=a[i];
}

int main(int argc, char *argv[]){
	FILE *f;
	int i;

	if(argc!=3 && argc!=5){
		printf("Nije dobra upotreba.\n");
		exit(EXIT_FAILURE);
	}

	for(i=0; argv[1][i]; i++)
		argv[2][i]=argv[1][i];

	if(argc==3){
		printf("%s\n",argv[2]);
	}else{
		f=fopen(argv[4],"w");
		fprintf(f,"%s\n",argv[2]);
		fclose(f);
	}

	return 0;
}