/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}*/
#include <stdio.h>
int main()
{
int hour, minute, total;
scanf("%d %d",&hour,&minute);
minute-30=total
if(minute >= 30) {
printf("%d %d", hour, minute-30);
}
else if(hour > 0 && minute < 30) {
printf("%d %d",hour,minute+60);
}
else if(hour <= 0 && minute < 30) {
printf("%d %d",hour-1+24,minute-30+60);
}
return 0;
}