Simple Program on C

#include 

void main ()

 {

  int i,j,k;

  i=10; j=20; k=30;

  cin >> i >> j >> k;

  cout << i << endl << j << endl << k << endl;

}

/** Sample runs

1 2 3

1

2

3

1234.56 7 89

1234

20

30

**/