#include<stdio.h>
#include<string.h>
#define MAX 1000001
int main(){
	char s1[MAX];
	fgets(s1,sizeof(s1),stdin);
 
	int i,num;
	char s2[MAX] = {0};
	if(s1[0] == ' '){
		for(i=0;;i++){
			s2[i] = s1[i+1];
			if(s1[i+1] == '\0') break;
		}
		strcpy(s1,s2);
	}
 
 
	for(i=0;;i++){
		if((s1[i] == ' '||s1[i] == '\n') && ((s1[i+1] >= 'a' && s1[i+1] <= 'z') || (s1[i+1] >= 'A' &&s1[i+1] <='Z')))num++;
		if(s1[i] == '\0')break;
	}
 
	num += 1;
	if(s1[0] == '\n' || s1[0] == '\0')num = 0;
	printf("%d\n",num);
}

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

IE1hemF0bmV1bmRlIFdhZSBUZXVsbHllb3lv

 Mazatneunde Wae Teullyeoyo