/in/foo.cc: In function 'int main()':
/in/foo.cc:42:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'LL {aka long long int}' [-Wformat=]
  printf("%I64d\n", ans.val);
                           ^

ValueError("invalid literal for int() with base 10: 'change1.in|change1.ans|1|10|128000\\n'",)