#include <bits/stdc++.h>
using namespace std;
int a[100] = {0, 1, 1, 2, 3, 7, 16, 54, 243, 2038, 33120, 1182004, 87723296, 907260828,  445874017, 131059413, 750854059, 85710140, 46269468, 106575268, 569924828, 477980796, 853121491, 916490672, 848722293, 179336057, 577163661, 709912061, 916083428, 988859367, 286999618, 29547862, 713350279, 194424628, 553076032, 609634772, 876525030, 182311698, 148716617, 346128108, 650982654, 373128192, 361260409, 524419271, 834718796, 514750301, 478609700, 386216865, 881562716, 715225681, 602577017};
int n;
int main() {
	scanf("%d", &n);
	printf("%d", a[n]);
	return 0;
}