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# Ruby, 28 bytes

```ruby
puts"puts #{gets}+gets.to_i"

puts"puts                     # print P2, which prints
          #{gets}             # P1's input value, interpolated
                 +gets.to_i"  # plus P2's input value
```
For instance, if the input to P1 is 10, then P2 is
```ruby
puts 10+gets.to_i
```

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