/*
 * Silly example of using "for" loop(s) to print a square of asterisks.
 */
#include <stdio.h>

int main(void) {
	int size;
	printf("enter size of square\n");
	if ((scanf("%d", &size) == 1) || (size <= 0)) {
		for (int i=0; i<size; ++i) {
			for (int j=0; j<2*size; ++j) {
				putchar('*');
			}
			putchar('\n');
		}
		return 0;
	}
	else {
		printf("not a positive integer value\n");
		return 1;
    }
}