POJ 2739 Sum of Consecutive Prime Numbers

/**//**************************************
Problem: POJ 2739 Sum of Consecutive Prime Numbers
Time: 16MS
Memory: 212K 
Accepted Time: 2009-05-16 12:46:01
Tips: 
**************************************/
#include <stdio.h>
#include <string.h>
#define MAX 10000
int main()
{
    bool num[MAX+1];
    int n,i,j;
    memset(num,1,sizeof(num));
    for(i=2;i<=MAX/2;i++)
    {
        if(num[i])
        for(j=2;i*j<=MAX;j++)num[i*j]=0;
    }
    while(scanf("%d",&n),n!=0)
    {
        int count=0;
        for(i=n;i>1;i--)
        {
            if(num[i])
            {
                int sum=0;
                for(j=i;sum<n&&j>1;j--)
                {
                    if(num[j])sum+=j;
                }
                if(sum==n)count++;
            }
        }
        printf("%d\n",count);
    }
    return 0;
}