function getResult() public pure returns(bool,bool,bool,bool,bool,bool) {
bool a = 2 > 2;
bool b = 2 < 2;
bool c = 2 >= 2;
bool d = 2 <= 2;
bool e = 2 == 2;
bool f = 2!= 2;
return (a,b,c,d,e,f);
}

uint a = 10;

uint b = 20;

uint c = a + b;