contract A {
function verifyUser(address userAddress) public returns (bool) {
    bool verified = false;
    uint id = userId[userAddress];
    if(id != 0){
        verified = true;
    }
     return verified;
}}

Contract B {
function verifyUser (uint[] P, address dc, address userAddress) onlyOwner public returns (bool) {
 bool verified=false;
   for (uint i = 0; i<P.length; i++){
        if(P[i] ==1) {
            verified=dc.call(bytes4(keccak256("verifyUser(address)")),userAddress);
        }
    }
          return  verified ;
}}