#include<bits/stdc++.h>
using namespace std;
int a0, a1, p, q;
const int N = 1000000;
int f[N];
int main() {
int k;
scanf("%d %d %d %d %d", &a0, &a1, &p, &q, &k);
f[0] = a0;
f[1] = a1;
for (int i = 2; i <= k; i++) {
f[i] = (p * f[i - 1] + q * f[i - 2]) % 10000;
}
printf("%d", f[k]);
}



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