2591. Distribute Money to Maximum Children

class Solution {
public:
    int distMoney(int money, int children) 
    {
        if(children > money)  return -1;

        int cnt = 0, a=0;
        money -=children;
        while(money>6 && children>0)
        {
            if(money>=7)
            {
                cnt++;
                money -= 7;
                children--;
            }
             a=1;

        }
        if((money==3 && a==1 && children==1) || (money>0 && children == 0))
            cnt--;


        return cnt;
    }
};