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

uintmax_t i = 3, j;

// only tested with clang or similar tools

int main(int argc, char*argv[])
{
	if (argc > 1) i = atoi(argv[1]);
	for (; i < UINTMAX_MAX; i += 2)
	{
		for (j = 3; j < i; j += 2)
			if (i % j == 0)
				goto retry;
		printf("%ju\r", i);
	retry:;
	}
}