#include<stdio.h>
#include<stdlib.h>

typedef long long int int64;

#define MAX(a,b) ((a)>(b)?(a):(b))

#define POS(i,j) ((i)*(m+1)+(j))

void run(void){
  int n,m,k;
  scanf("%d%d%d",&n,&m,&k);
  int *a=(int *)calloc(n+1,sizeof(int));
  int i;
  for(i=0;i<=n;i++) scanf("%d",a+i);
  int64 *dp=(int64 *)calloc((n+1)*(m+1),sizeof(int64));
  dp[POS(0,m)]=k;
  for(i=1;i<=n;i++){
    dp[POS(i,m)]=k;
    for(int j=m-1;j>=0;j--){
      int64 local=dp[POS(i-1,j)];
      for(int k=i-1;k>=0;k--){
	int64 v=dp[POS(k,j+1)];
	local=MAX(local,v%a[k]+(v/a[k])*a[i]);
      }
      dp[POS(i,j)]=local;
    }
  }
  int64 ans=0;
  for(i=0;i<=m;i++) ans=MAX(ans,dp[POS(n,i)]);
  printf("%d\n",ans);
}

int main(void){
  run();
  return 0;
}