#include<stdio.h> int sum = 0; bool flag = 0; int getString() { char ch; scanf("%c", &ch); if (ch != '\n')getString(); if (ch != ' ' && (ch >= 'a' && ch <= 'z' || ch >= 'A' && ch <= 'Z') && flag == 0)sum++; if (ch == ' ') flag = 1; return sum; } int main() { int x=getString(); printf("%d", x); }