#include <stdio.h>
#include <stdlib.h>
void main(int argc, char *argv[]) {
	FILE* fp;
	int N = 0;

	if (argc < 2) return;

	if ((fp = fopen(argv[0], "r")) == NULL) return;

	for(;;) {
		int get = fgetc(fp);
		if (get == EOF) break;
		else if (get == '-') N *= -1;
		else N = N*10+(get-'0');
	}
	fclose(fp);

	if ((fp = fopen(argv[1], "w")) == NULL) return;
	fprintf(fp, "0 %d\n", N);
	fclose(fp);
}