Each guy and girl have either zero or one tickets in the beginning, but they can generally carry an unlimited number of tickets. Each person who has at least one ticket can give one of their tickets to any person on the same side of the entrance (either in front of the entrance or inside the venue). Each person can enter the venue only if they have a ticket, which they keep upon entering. Each person in the venue can exit with or without a ticket, keeping any ticket upon exiting.
Determine a sequence of entering, exiting, and ticket giving actions, such that all girls end up outside the venue and a maximum number of guys end up inside the venue.
Input Specification
The first line of input contains two positive integers,
The second line of input contains the identifiers of guys with tickets, sorted in ascending order.
The third line of input contains two positive integers,
Output Specification
Output any sequence of actions satisfying the problem constraints, with length at most
Output a guy entering the venue as ENTER GUY X, and a girl entering as ENTER GIRL X.
Output a guy exiting the venue as EXIT GUY X, and a girl exiting as EXIT GIRL X.
Output a person giving a ticket to a person as GIVE GUY X GUY Y, GIVE GUY X GIRL Y, GIVE GIRL X GUY Y or GIVE GIRL X GIRL Y.
Sample Input 1
2 1
1
1 1
1
Sample Output 1
ENTER GUY 1
GIVE GIRL 1 GUY 2
ENTER GUY 2
Sample Input 2
3 1
3
4 4
1 2 3 4
Sample Output 2
GIVE GIRL 3 GUY 1
GIVE GIRL 2 GUY 1
GIVE GUY 1 GUY 2
ENTER GUY 2
ENTER GUY 1
ENTER GUY 3
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