N = 14, M = 3
Итерации:
1. M != N, N > M, N = N - M = 11
2. M != N, N > M, N = 11 - 3 = 8
3, M != N, N > M, N = 8 - 3 = 5
4. M != N, N > M, N = 5 - 3 = 2
5. M != N, N < M, M = 3 - 2 = 1
6. M != N, N > M, N = 2 - 1 = 1
7. Уже не выполняется, N = M.
Вывод: 1