#include<iostream>
using namespace std;
const int N=100;
void binary(int n)
{
    int i=0,j,m,s[N];
    cout<<"该十进制正整数转化为二进制为：";
    for(i=0;n>0;i++)
       {    s[i]=n%2;
            m=n/2;
            n=m;
       }
    for(j=i;j>=0;j--)
       cout<<s[j];
       cout<<endl;
}
void octal(int n)
{     
     int i=0,j,m,s[N];
     cout<<"该十进制正整数转化为八进制为：";
     for(i=0;n>0;i++)
       {    s[i]=n%8;
            m=n/8;
            n=m;
       }
     for(j=i;j>=0;j--)
        cout<<s[j];
    cout<<endl;
}

void main()
{  

      int n;
      cout<<"Please input a positive integer :";
      cin>>n;
      binary(n);
      octal(n);
}