PAT 1001

#include<iostream>using namespace std;int main() {    int i,temp=0;    cin >> i;    while (i != 1) {        if (i % 2) {//jishu            i = (3 * i + 1) / 2;            temp++;        }        else {            i = i / 2;            temp++;        }    }    cout << temp << endl;    return 0;}