文件目录

#include <bits/stdc++.h>
using namespace std;
long long a[55] = {1}, b[55];
int main()
{
    int x, y, z;
    cin >> x >> y >> z;
    for (int i = 1; i <= z; i++)
    {
        if (i - 2 >= 0)
            a[i] = a[i - 1] + b[i - 2];
        else
            a[i] = a[i - 1] + 0;
        if (i - x >= 0)
            b[i] = a[i - x] * y;
        else
            b[i] = 0;
    }
    cout << a[z];
    return 0;
}