$\{$ char line$[256]$; while $(1)\{//$ Read input line fgets$($line$,$ sizeof$($line$),$ stdin$)$; $//$ Remove newline character if present line$[$strcspn$($line$,"$

$")]=\text{'}\backslash 0\text{'}$; $//$ End of input check if $($strcmp$($line$,"-1")==0)\{$ break; $\}//$ Define variables to store extracted parts of the date char month$[20],$ day$[20],$ year$[20]$; int monthNum, dayNum, yearNum; $//$ Extract the parts of the date: Month Day, Year int i $=0,$ j $=0$; $//$ Extract the month name $($the first word$)$ while $($i $<$ strlen$($line$)$ && $!$isspace$($line$[$i$]))\{$ month$[$j$++]=$ line$[$i$++]$; $\}$ month$[$j$]=\text{'}\backslash 0\text{'}$; $//$ Null$-$terminate the month string $//$ Skip the space after the month while $($i $<$ strlen$($line$)$ && isspace$($line$[$i$]))$ i$++$; $//$ Extract the day $($the number before the comma$)$ j $=0$; while $($i $<$ strlen$($line$)$ && line$[$i$]!=\text{'},\text{'})\{$ day$[$j$++]=$ line$[$i$++]$; $\}$ day$[$j$]=\text{'}\backslash 0\text{'}$; $//$ Null$-$terminate the day string $//$ Skip the comma and the space while $($i $<$ strlen$($line$)$ && $($line$[$i$]==\text{'},\text{'}||$ isspace$($line$[$i$])))$ i$++$; $//$ Extract the year $($the number after the comma$)$ j $=0$; while $($i $<$ strlen$($line$)$ && line$[$i$]!=\text{'}\backslash 0\text{'})\{$ year$[$j$++]=$ line$[$i$++]$; $\}$ year$[$j$]=\text{'}\backslash 0\text{'}$; $//$ Null$-$terminate the year string $//$ Check if the month is valid monthNum $=$ monthToNum$($month$)$; if $($monthNum $==-1)\{$ continue; $//$ Invalid month $\}//$ Check if the day and year are valid numbers if $(!$isDigits$($day$)||!$isDigits$($year$))\{$ continue; $//$ Invalid day or year $\}//$ Convert day and year to integers dayNum $=$ atoi$($day$)$; yearNum $=$ atoi$($year$)$; $//$ Print the date in the required format: Month$-$Day$-$Year printf$("\%$d$-\%$d$-\%$d

$",$ monthNum, dayNum, yearNum$)$; $\}$