import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner sc
= new Scanner
(System.
in); while(true) {
int hour = sc.nextInt();
int minute = sc.nextInt();
int tmp = 0;
int resulthour = 0;
int resultminute = 0;
if( !((0 <= hour && hour <= 23) && (0 <= minute && minute <= 59)) ) {
continue;
}
if( minute < 45) {
if( hour == 0 ) {
resulthour = 23;
tmp = 45-minute;
resultminute = 60-tmp;
System.
out.
print(resulthour
+" "+resultminute
); break;
}else {
resulthour = hour-1;
tmp = minute-45;
resultminute = 60+tmp;
System.
out.
print(resulthour
+" "+resultminute
); break;
}
}else {
resultminute = minute - 45;
System.
out.
print(resulthour
+" "+resultminute
); break;
}
}
}
}
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