题解

#include<iostream>
using namespace std;
int main(){
int a;
cin>>a;
while(a!=1){
if(a%2!=0){
cout<<a<<"3+1="<<a3+1<<endl;
a=a*3+1;
}
else{
cout<<a<<"/2="<<a/2<<endl;
a/=2;
}
}
cout<<"End";
return 0;
}