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

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

void run(void){
  int n,total;
  scanf("%d%d",&n,&total);
  int *A=(int *)malloc(sizeof(int)*(n+1));
  int i;
  for(i=1;i<=n;i++){
    scanf("%d",A+i);
  }

  int *dp=(int *)calloc((total+1)*(n+1),sizeof(int));
  dp[POS(n,total)]=1;
  for(i=n;i>=2;i--){
    int k;
    for(k=total;k>=0;k--){
      if(dp[POS(i,k)]){
        if(k-A[i]>=0){
          dp[POS(i-1,k-A[i])]=1;
        }
        if(k%A[i]==0){
          dp[POS(i-1,k/A[i])]=1;
        }
      }
    }
  }

  int now=A[1];
  for(i=2;i<=n;i++){
    int t=now+A[i];
    if(t<=total && dp[POS(i,t)]){
      printf("+");
      now=t;
    } else {
      printf("*");
      now=now*A[i];
    }
  }
  printf("\n");
  return;
}

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