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void interpret(const int *instrs, int c1, int c2)
{
  int tmp;
  int running;
  int result;
  int ptr;

  result = 0;
  ptr = 0;
  running = 1;
  while (running == 1) {
    tmp = instrs[ptr];
    if (tmp == 0) {
      running = 0;
    } else {
    };
    if (tmp == 1) {
      c1 = (c1 + 1);
    } else {
    };
    if (tmp == 2) {
      c2 = (c2 + 1);
    } else {
    };
    if (tmp == 3) {
      c1 = (c1 - 1);
    } else {
    };
    if (tmp == 4) {
      c2 = (c2 - 1);
    } else {
    };
    if (tmp == 5) {
      if (c1 == 0) {
        ptr = (ptr + 1);
        ptr = instrs[ptr];
      } else {
        ptr = (ptr + 2);
        ptr = instrs[ptr];
      };
    } else {
    };
    if (tmp == 6) {
      if (c2 == 0) {
        ptr = (ptr + 1);
        ptr = instrs[ptr];
      } else {
        ptr = (ptr + 2);
        ptr = instrs[ptr];
      };
    } else {
    };
  };
  result = c1;

}