// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.8.0;

contract PFC{
    int private result;
    
    function add(int a, int b) public returns (int c){
        result = a+b;
        c= result;
        
    }
    
    function min(int a, int b) public returns (int){
        result = a -b;
        return result;
    }
    
    function mul(int a, int b) public returns (int){
        result = a*b;
        return result;
    }
    
    function div(int a,int b) public returns (int){
        result = a/b;
        return result;
    }
    
    function getResult() public view returns (int){
        return result;
    }
}