// SPDX-License-Identifier: MIT
// compiler version must be greater than or equal to 0.8.10 and less than 0.9.0
pragma solidity 0.8.7;

contract Condition{

    uint[] public numbers=[1,2,3,4,5,6,7,8,9,10];

    address public owner;

    constructor() {
        owner = msg.sender;
    }


    function CountEvenNumbers() public view returns (uint){
    uint count=0;
        for(uint i = 0; i < numbers.length; i++ ){
            if(isEven(numbers[i])){
                count++;
            }
        }
        return count;
    }


    // if and else control statements in sol
    function isEven(uint _number) public pure returns (bool){
        if(_number % 2 == 0) {
            return true;
        }else {
            return false;
        }
    }


    function isOwner() public view returns(bool){
        if(msg.sender == owner){
            return true;
        }else{
            return false;
        }
    }
}