#include<stdio.h> int main(){ char a[100]; int i,j=1; gets(a); for(i=0;a[i]!='\0';i++) {if(((a[i]>='a'&&a[i]<='z')||(a[i]>='A'&&a[i]<='Z'))&&a[i+1]==' ') j++; } printf("%d",j); return 0; }
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