English
N = int(input()) results = input() group_size = N // 10 print(sum([results[i] == 'T' and len(set(results[i:i+group_size])) == 1 for i in range(0, N, group_size)]))
1 2 3 4 | N = int(input()) results = input() group_size = N // 10 print(sum([results[i] == 'T' and len(set(results[i:i+group_size])) == 1 for i in range(0, N, group_size)])) |