/*
 * very simple example of I/O with ints
 */
#include <stdio.h>

int main(void) {
	int x = 100;
	int y = 20;
	printf("enter two ints\n");
	if (scanf("%d %d", &x, &y) == 2) {
		printf("x, y is %d, %d\n", x, y);
	}
	else {
		printf("error\n");
	}
	return 0;
}