MIDO - KOSARK

Slavko has started to follow the NBA league. The game duration is exactly 48 minutes. When a game ends, the statistics are shown. Slavko has written down whenever a team scored. He is curious about how long each team was in the lead.

Input

The first line of input contains one integer N (1 ≤ N ≤ 100). The following N lines describe events when a team scored. Each description consists of a team that scored, which is either 1 or 2, and a timestamp in format MM:SS (minutes:seconds), the time when a team scored. Minutes and seconds are zero padded and from ranges [00, 47] and [00, 59] (inclusive). The given timestamps are unique.

Output

The first line of output must contain the duration that the first team was in the lead.

The second line of output must contain the duration that the second team was in the lead.

All durations should be in MM:SS format, with leading zeros.

Sample

Input
3
1 01:10
2 21:10
2 31:30

Output 
20:00
16:30

Added by:Kawmia Institutes
Date:2011-02-16
Time limit:0.209s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64
Resource:COCI

hide comments
2011-02-19 16:12:01 neerajcrespo
what does range [00,47] and [00,59] mean?
2011-02-18 02:27:31 ~Dharm~
~interesting problem~..got AC.

Last edit: 2011-02-18 02:28:03
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