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args <- commandArgs(TRUE)
options(digits=22)

library("Matrix")

A <- readMM(paste(args[1], "A.mtx", sep=""))
B <- readMM(paste(args[1], "B.mtx", sep=""))

C = bitwOr(as.vector(A), as.vector(B));
C = matrix(C, nrow(A), ncol(A));

writeMM(as(C, "CsparseMatrix"), paste(args[2], "C", sep=""));