#include<stdio.h>

int dfs(int now,int total,int *A,int num,char *s){
	if(num==0){
		s[0]='\0';
		return now==total;
	}
	if(now>total) return 0;

	s[0]='+';
	int res=dfs(now+A[0],total,A+1,num-1,s+1);
	if(res) return 1;
	s[0]='*';
	return dfs(now*A[0],total,A+1,num-1,s+1);
}

int main(void){
	int N,total;
	scanf("%d%d",&N,&total);

	int A[50];
	int i;
	for(i=0;i<N;i++) scanf("%d",&A[i]);

	char s[55];
	dfs(A[0],total,A+1,N-1,s);
	printf("%s\n",s);
	return 0;
}