memory 60
compute 5
read -3
read 3 xyz
read 3
compute 5
load 3 s1.txt
load 9 s1.txt
print 10
load 15 s2.txt
print 15
read -3
read 3 xyz
read 3
print 20
print 55
print 56
read -3
read 3 xyz
read 30
write 0