mosquito.cpp

#include <cstdio>
using namespace std;
 
int main() {
	int M, P, L, E, R, S, N, tmp;
 
	while (scanf("%d %d %d %d %d %d %d", &M, &P, &L, &E, &R, &S, &N)==7) {
		for (int i = 0; i < N; i++)
		{
			tmp=M;
			M=P/S;
			P=L/R;
			L=tmp*E;
		}
		printf("%d\n", M);
	}
	return 0;
}