pragma solidity ^0.4.19;

contract Test2 {
    mapping (address => uint) balances;
    event Send(address from, address to, uint value);


   constructor (uint256 _balance) public payable {
       balances[msg.sender] = _balance;
   }

    function transferInEqualParts(uint256 summaryAmount, address [] recipients) public {
        for(uint i=0; i<recipients.length; i++) {
            sendTo(summaryAmount/recipients.length, recipients[i]);
        }
    }

     function queryBalance(address adr) view returns (uint balance) {
        return balances[adr];
    }

    function sendTo(uint _amount, address _recipient) public {
        balances[msg.sender] -= _amount;
        balances[_recipient] += _amount;

        Send(msg.sender, _recipient, _amount);
    }
}