#include <bits/stdc++.h>
using namespace std;
int getint() {
  int x = 0, f = 1;
  char ch = getchar();
  while (ch < '0' || '9' < ch) {
    if (ch == '-') f = -1;
    ch = getchar();
  }
  while ('0' <= ch && ch <= '9') {
    x = x * 10 + ch - '0';
    ch = getchar();
  }
  return f * x;
}
int s[112345], n = 0;
void pint(int x) {
  cout << x;
  for (int i = 1; i <= x; i++) cout << "+";
  cout << "++++++++++++++++++++++++++++++++++++++++++++++++." << endl;
  for (int i = 1; i <= x; i++) cout << "-";
  cout << "------------------------------------------------" << endl;
}
int main() {
  int x, y;
  char c;
  scanf("%d", &x);
  while (1) {
    c = getchar();
    if (c != '+' && c != '-') break;
    scanf("%d", &y);
    if (c == '-')
      x -= y;
    else
      x += y;
  }
  if (!x) {
    cout << "++++++++++++++++++++++++++++++++++++++++++++++++." << endl;
    return 0;
  }
  while (x) s[++n] = x % 10, x /= 10;
  for (int i = n; i >= 1; i--) pint(s[i]);
  return 0;
}
