Submission #2499861

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Source Code Expand

#include<cstdio>
#include<string>
#include<iostream>
using namespace std;
int main()
{
	string s;
	cin>>s;
	int len=s.length(), i = 0;
	/*int b=0;
	for(; l<=len; ++l) {
		if( s[l]=='t' ) { b = 1; break; }
	}
	if(!b) {
		printf("No\n");  return 0;
	}
	b = 0;
	for(; l<=len; ++l) {
		if( s[l]=='i' ) { b = 1; break; }
	}
	if(!b) {
		printf("No\n");  return 0;
	}
	b = 0;
	for(; l<=len; ++l) {
		if( s[l]=='t' ) { b = 1; break; }
	}
	if(!b) {
		printf("No\n");  return 0;
	}
	b = 0;
	for(; l<=len; ++l) {
		if( s[l]=='e' ) { b = 1; break; }
	}
	if(!b) {
		printf("No\n");  return 0;
	}
	b = 0;
	for(; l<=len; ++l) {
		if( s[l]=='c' ) { b = 1; break; }
	}
	if(!b) {
		printf("No\n");  return 0;
	}
	b = 0;
	for(; l<=len; ++l) {
		if( s[l]=='h' ) { b = 1; break; }
	}
	if(!b) {
		printf("No\n");  return 0;
	}*/
	while(i<len && s[i]!='t') i++;
	if(s[i]!='t') {
		cout<<"No"<<endl;
		return 0;
	}
	while(i<len && s[i]!='i') i++;
	if(s[i]!='i') {
		cout<<"No"<<endl;
		return 0;
	}
	while(i<len && s[i]!='t') i++;
	if(s[i]!='t') {
		cout<<"No"<<endl;
		return 0;
	}
	while(i<len && s[i]!='e') i++;
	if(s[i]!='e') {
		cout<<"No"<<endl;
		return 0;
	}
	while(i<len && s[i]!='c') i++;
	if(s[i]!='c') {
		cout<<"No"<<endl;
		return 0;
	}
	while(i<len && s[i]!='h') i++;
	if(s[i]!='h') {
		cout<<"No"<<endl;
		return 0;
	}
	cout<<"Yes"<<endl;
	return 0;
}

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