mosquito.cpp
#include <cstdio>
int main () {
long long m, p, l, e, r, s, n;
while (scanf ("%lld%lld%lld%lld%lld%lld%lld", &m, &p, &l, &e, &r, &s, &n) == 7) {
long long eggs;
for (long long i = 0; i < n; i++) {
eggs = m * e;
m = p / s;
p = l / r;
l = eggs;
}
printf ("%lld\n", m);
}
return 0;
}