为啥第4个测试点WA了

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n,m;
	cin>>n; 
	if(n==1) cout<<"End";
	for(;n!=1;){
		if(n%2==1){
			m=n;
			n*=3;
			n++;
			printf("%d*3+1=%d\n",m,n);
		}else{
			m=n;
			n/=2;
			printf("%d/2=%d\n",m,n);
		}
	}
	cout<<"End";
	return 0;
}