1555.txt

杭电acm解题报告2001---2099.

#include<cstdio>

int main()
{
    int n,m,k,i,sum;
    while(scanf("%d %d",&m,&k)==2)
    {
        sum=0;
        if(m==0 && k==0)
            break;
        sum=m;n=0;
        while(m>=k)
        {
            sum += m/k;
            m=m/k + m%k;
        }
        printf("%d\n", sum);
    }
}