{
 "cells": [
  {
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   "metadata": {
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "210\n",
      "711\n",
      "313\n",
      "37\n",
      "113\n",
      "117\n",
      "416\n",
      "1218\n"
     ]
    }
   ],
   "source": [
    "from math import *\n",
    "\n",
    "def f(x,y):\n",
    "     result =  (x+y) + (pow(10, 1 + int(log10(x+y))) * (x-y))\n",
    "     print(int(result))\n",
    "\n",
    "    \n",
    "f(6,4)\n",
    "f(9,2)\n",
    "f(8,5)\n",
    "f(5,2)\n",
    "f(7,6)\n",
    "f(9,8)\n",
    "f(10,6)\n",
    "f(15,3)\n"
   ]
  }
 ],
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