mosquitos.cpp

#include <cstdio>
#include <cstdlib>
#include <cstring>
 
int main( int argc, char ** argv ) {
 
  int M, P, L, E, R, N, S;
 
  while( scanf("%d %d %d %d %d %d %d", &M, &P, &L, &E, &R, &S, &N) == 7) {
    int initc = N % 3;
 
    int i;
 
    int Mnew, Mold, Pnew, Pold, Lnew, Lold;
 
    Mnew = Mold = M;
    Pnew = Pold = P;
    Lnew = Lold = L;
 
    for (i=0; i<initc; i++) {
      Mnew = Pold / S;
      Pnew = Lold / R;
      Lnew = Mold * E;
    }
 
    for (; i<N; i+=3) {
      Mnew*=E;
      Mnew/=R;
      Mnew/=S;
    }
 
    printf("%d\n", Mnew);
  }
 
  return 0;
}