text: const fs = require('fs');
  const input = fs.readFileSync('/dev/stdin').toString().split(' ');
  const a = input[0];
  const b = input[1];
  const c = input[2];
  const op = ['+','-','/','*'];
  let ans;
  op.map(cur => {
    const func = new Function('return '+a+cur+b);
    if(func() == parseInt(c)) ans = a+cur+b+'='+c;
    const fun2 = new Function('return '+b+cur+c);
    if(fun2() == parseInt(a)) ans = a+'='+b+cur+c;
  });
  console.log(ans);
  