mosquito.cpp

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