#include <stdio.h>
#define num 0
#define den 1

int
main(void)
{
	long src[] = {55, 77, 13, 11, 546, 195, 11, 39, 13, 65, 1, 13, 0, 0};
	long *f = src, acc = 131625; // x^4 y^3 mul
	while(f[den])
		if(acc % f[den])
			f += 2;
		else
			acc = acc * f[num] / f[den], f = src;
	printf("%ld\n", acc); // r^12
	return 0;
}