DNA is sequence of bases A, G, T, C. Let DNA [ab] be the subsequence of DNA starting from index a finishing in b inclusive, and DNA[a.] be the subsequence of DNA starting from index a to the end. We could perform the following ops on DNAS: cross operation - they take DNA1 and DNA2 and numbers kl and k2. Then two new DNAS are created: DNA3 = DNA1[1,,k1]+DNA2[k2+1.] and DNA4 = DNA2[1.k2]+DNA1[k1+1.].mutate operation - they take a DNA, number k and one of the bases. Then they replace the base in position k in DNA with that base. also, they need to know certain characteristics of those DNAS. So, they can perform count operation - they take DNA and numbers k1 and k2 (k1 <= k2). This operation should return the number of A, G, T, C bases in DNA[k1,,k2].The initial DNAS are numbered from 1 to n, where n is the amount of those DNAS. The new DNAS the first line of input file contains number n - the number of initial DNAS. Each of the following n lines contains

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