write in assembly language

Write a program to read a group ( we don't know how many )of uppercase grades A, B, C, D and count the number of each grade Sample 1/0 Enter a group of grades: AABCADD No. of A's = 3 No. of Bs = 1 No. of C's = 1 No. of Ds = 2 Write a program to read a group ( we don't know how many )of uppercase grades A, B, C, D and count the number of each grade Sample 1/0 Enter a group of grades: AABCADD No. of A's = 3 No. of Bs = 1 No. of C's = 1 No. of Ds = 2