1 #include<stdio.h> 
 2 #include<stdlib.h>
 3 #include<string.h>
 4 void Test(int n,char *p)
 5 {
 6     int nCount = strlen(p),sum = 0;
 7     for(int temp = 1,i = nCount-1;i>=0;i--)
 8     {
 9         sum += temp*(p[i] - ‘0‘);//得出其每一位真实值并相加 
10         temp*=n;
11     }
12     printf("%d\n",sum);
13 }
14 int main()
15 {
16     int n;
17     while(~scanf("%d",&n) && n)
18     {
19         char p[30];
20         scanf("%s",p);
21         Test(n,p);
22     }
23     
24     return 0;
25 }