solidity-1.sol

pragma solidity ^0.5.11;

contract HelloWorld {

  uint public myFavoriteNumber = 1610;
  //define a new variable "yourFavoriteNumber" here 
      
  function myFavoriteNumberPlusYourFavoriteNumber() public view returns (uint) { 
    return myFavoriteNumber + yourFavoriteNumber;
  }
  
  function addTwoNumbers(uint a, uint b) public pure returns (uint) { 
    return a + b;
  }
  
  function coolFunction() public payable {
    // function body here
  }
  
  function payBill() public {
  	address billsAddress = 0xEdadA4E79332899e6fAD41F726a346B8BB8ecb4f;
  	if(billsAddress.balance > 50 ether) {
    	//Bill is rich already! He won't even notice if I don't pay him
    	return;
  	}
  	else {
    	//I'll give bill the two ether I owe him
    	billsAddress.transfer(2 ether);
  	}
	}
  
  /*
  // Not needed!
  function getMyFavoriteNumber() public view returns (uint) { 
    return myFavoriteNumber;
  }*/
}