implicit none
integer(8) A,B,C,m
integer(8),allocatable :: x(:)
allocate (x(4))
read(*,*) (x(m),m=1,4)
B=(x(1)-1)*x(4)
select case (B)
    case(:59)
        x(3)=x(3)+B
    case(60:)
        x(2)=x(2)+(B/60)
        B=B-(B/60)*60
        x(3)=x(3)+B
end select
if (x(3)>=60) then
    x(2)=x(2)+1
    x(3)=x(3)-60
end if
C=0
do while (x(2)>C)
   C=C+24
end do
x(2)=x(2)-C+24
if (x(2)==24) then
    x(2)=0
end if
write(*,*) x(2)
write(*,*) x(3)
end