#! /usr/bin/awk -f

BEGIN {
    n = 0
    m = 0
    gsm_min_dt = 50000
    gsm_max_n = 3
}

/^EI/ {
    dt = $5
    if (dt >= gsm_min_dt) {
	if (n <= gsm_max_n) for (i=0; i<m; i++) print L[i];
	L[0] = $0
	m = 1;
	n = 1;
    } else {
	if (n < gsm_max_n) {
	    L[m] = $0
	    m++
	} else {
	    for (i=0; i<m; i++) if (L[i] !~ /^EI/) print L[i]
	    m = 0;
	}
	n ++
    }
    next
}

{
    if (!m) {
	print
    } else {
	L[m] = $0
	m ++
    }
}

END { for (i=0; i<m; i++) if (L[i] !~ /^EI/) print L[i] }