141 31 MAY 1979 5550 NN=AtS(NA-MAI4ADD) 5560 PION= (NAI-ADD)/NA 5570 Q4=MAI 5580 Q5=PP 5590 06-=NN 5600 Q7=P!ON 5610 Q-ETA 5620C 5630 RETURN 5640 E ND