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b=IS2

X1=0

X2=0

max=60 sec

IF (a≥ b) THEN

DO

TrafficLight_1(a,b, 1,2)

while(program is running)

ElSE

DO

TrafficLight_1(b,a,2,1)

while(program is running)

TrafficLight_1 FUNCTION:

TrafficLight_1(&n1,&n2, i, j)

{

timer=1

while(n1>OSi and timer !=max )

IF (TRj.GREEN EQUEL True)

TRj.YELLOW=True

TRj.RED=True

TRi.GREEN=True

timer++

IF (n1>0) AND (n2!=0)

TRi.YELLOW=True

TRi.RED=True

timer=1

IF (n2 != 0)

while(n2>OSj and timer !=max)

TRi.RED=True

TRj.GREEN=True

timer++

n1=Calculate(i)

if (n1>0)

IF (TRj.GREEN EQUEL True)

TRj.YELLOW=True

TRj.RED=True

n2=Calculate(j)

}

Calculate FUNCTION

Calculate(i)

{

n=ISi+(xi-OSi)

Xi=n

Return n

}