print('(5, 1)\n(6, 2)\n(14, 10)\n(8, 6)\n(11, 9)\n(12, 10)\n(14, 13)\n(10, 11)\n(11, 15)\n(5, 8)\n(8, 13)\n(8, 15)\n(6, 12)\n(5, 11)\n(3, 9)\n(4, 13)\n(-3, 14)\n(-1, 3)\n(-3, 7)\n(-4, 9)\n(-7, 15)\n(-8, 14)\n(-5, 8)\n(-7, 11)\n(-2, 3)\n(-13, 3)\n(-15, 0)\n(-4, -1)\n(-10, -5)\n(-10, -7)\n(-9, -7)\n(-5, -4)\n(-15, -14)\n(-8, -8)\n(-8, -9)\n(-13, -15)\n(-9, -13)\n(-7, -13)\n(-5, -15)\n(-2, -7)\n(-3, -13)\n(-2, -11)\n(-2, -14)\n(1, -8)\n(3, -5)\n(6, -8)\n(9, -10)\n(4, -4)\n(9, -5)\n(12, -2)')
Note that non-ascii characters in the above source code will be escaped (such as \x9f).