#include using namespace std; //丑数 bool isUgly(int num) { while (num % 2 == 0) num /= 2; while (num % 3 == 0) num /= 3; while (num % 5 == 0) num /= 5; //while (num % 7 == 0) num /= 7; return num == 1; } int main() { int num; cin >> num; cout << (isUgly(num) ? "True" : "False"); return 0; }