#include <cstdio>
#include <cstdlib>

#define dim 50001

long long A[dim];
long long S;

long N;

char Sol[dim];

void get_data();
void solve();
void print();

int main()
{
    get_data();
    solve();
    print();
    
    return 0;
}

void get_data()
{
     freopen("semne.in", "r", stdin);
     
     long i;
     for(scanf("%ld %lld", &N, &S), i=1; i<=N; ++i)
     {
                      scanf("%lld", A+i);
                      Sol[i-1] = '+';
     }
     
     fclose(stdin);
}

void solve()
{
     long i, x;
     for(i=1; i<=N; ++i)
     {
              x = rand() % rand();
              
              if(x & 1)
                   Sol[i-1] = '-';
     }
}

void print()
{
     freopen("semne.out", "w", stdout);
     
     puts(Sol);
     
     fclose(stdout);
}