#include <iostream> using namespace std; int main() { int n; cin >> n; while (n != 1) { if (n % 2 == 1) { // 奇数：乘3加1 cout << n << "*3+1=" << n * 3 + 1 << endl; n = n * 3 + 1; } else { // 偶数：除以2 cout << n << "/2=" << n / 2 << endl; n = n / 2; } } cout << "End" << endl; return 0; }