#include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>using namespace std;#define maxn 1505#define inf 0x3f3f3f3fint f[maxn];int pos[3], fac[3];int main(){ f[1] = 1; pos[0] = pos[1] = pos[2] = 1; fac[0] = 2; fac[1] = 3; fac[2] = 5; for (int i = 2; i <= 1500; i++) { f[i] = inf; for (int j = 0; j < 3; j++) if (f[pos[j]] * fac[j] < f[i]) f[i] = f[pos[j]] * fac[j]; for (int j = 0; j < 3; j++) if (f[pos[j]] * fac[j] <= f[i]) pos[j]++; } int n; while (scanf("%d", &n), n) printf("%dn", f[n]); return 0;}
