function performOperation(secondInteger, secondDecimal, secondString) {
    
    const firstInteger = 4;
    
    const firstDecimal = 4.0;
    
    const firstString = 'HackerRank ';

    
    console.log(firstInteger + Number(secondInteger))

    console.log(firstDecimal + parseFloat(secondDecimal))
 
    console.log(`${firstString}${secondString}`)
}