35. Four marks example problem XI

\(P\), \(Q\), \(R\), and \(S\) are four different integers on a number line. From the following clues, find these integers and write them in ascending order.

 

1. \(S\) is the least of the given integers.

 

2. \(R\) is the smallest positive integer.

 

3. The integers \(P\) and \(S\) are at the same distance from \(0\).

 

4.  \(Q\) is \(2\) units to the left of integer \(R\).