mosquito.c

#include <stdio.h>
 
int M,P,L,E,R,S,N,P1,L1,M1;
 
int main() {
	while (scanf("%d%d%d%d%d%d%d",&M,&P,&L,&E,&R,&S,&N) == 7) {
		while (N-->0) {
			L1 = E*M;
			P1 = L/R;
			M1 = P/S;
			L = L1;
			M = M1;
			P = P1;			
		};
		printf("%d\n",M);
	};
	return 0;
}