#include <stdio.h>

char dp[55][100100];

int main(void){
	int p;
	int i,j,n,total;
	int a[55];
	
	scanf("%d", &n);
	scanf("%d", &total);
	
	for(i=0;i<n;i++){
		scanf("%d", &a[i]);
	}
	
	dp[n][total] = 1;
	for(i=n-1;i>=0;i--){
		for(j=0;j<total+1;j++){
			int tmp = j+a[i];
			dp[i][j] = 0;
			
			if( tmp <= total && dp[i+1][tmp]){
				dp[i][j] = 1;
			}
			tmp = j*a[i];
			if( tmp <= total && dp[i+1][tmp]){
				dp[i][j] = 1;
			}
		}
	}
	
	p = a[0];
	for(i=1;i<n;i++){
		if( (p+a[i]) <= total && dp[i+1][p+a[i]] ){ p+=a[i]; printf("+");	continue;	}
		if( (p*a[i]) <= total && dp[i+1][p*a[i]] ){ p*=a[i]; printf("*");	continue;	}
	}
	
	printf("\n");
	
	return 0;
}