Answer:
Codes are given below:
Step-by-step explanation:
Since the language is not specified, I am writing it in c++
#include <iostream>
using namespace std;
int main() //Start of main function
{
int number;
cout << "Enter your number"<<endl;
cin >> number; //this will take your number as an input
cout <<"The next three numbers are: " << number + 1 << endl; //this will write the next number to your input input
cout << number + 2 << endl;
cout << number + 3 << endl;
return 0;
} //End of main function