華中科技大學-八進制

#include<iostream>
#include<cstring>
#include<stdio.h>
using namespace std;

int main(){
    int n,a[1000],size=0;
    while(scanf("%d",&n)!=EOF){
        memset(a,0,sizeof(a));
        size=0;
        do{
            a[size++]=n%8;
            n/=8;
        }while(n!=0);
        for(int i=size-1;i>=0;i--)
            printf("%d",a[i]);
        printf("\n");
    }
    return 0;
}