//uva494 #include <stdio.h> int main () { char In, M, N, Cou; while (scanf("%c", &In) == 1) { M = 0; Cou = 0; while (In != '\n') { if ((65 <= In && In <= 90) || (97 <= In && In <= 122)) N = 1; else N = 0; if (M == 0 && N == 1) Cou++; M = N; scanf("%c", &In); } printf("%d\n", Cou); } return 0; }