C DIMENSION I(4,500) DIMENSION I(3) 1 FORMAT(4I) 2 FORMAT(I4,',',I3,',',I1) CALL IFILE(1,'DOG') CALL OFILE(20,'DDOG') K=1 3 READ(1,1,END=4)N,I C3 READ(1,1,END=4)(I(J,K),J=1,4) C I(1,K)=K WRITE(20,2)I CC WRITE(20,2)(I(J,K),J=2,4) K=K+1 GO TO 3 4 END FILE 20 END