1.5-21:角谷猜想

#include<stdio.h>
int main()
{
    long long int n;
    scanf("%lld",&n);
    while(n!=1)
	{
		if(n%2==1)
		{
			printf("%lld*3+1=%lld\n",n,n*3+1);
			n=n*3+1;
		}
		else
		{
			printf("%lld/2=%lld\n",n,n/2);
			n=n/2;
		}
    }
    printf("End");
    return 0;
}