View Code of Problem 3308

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
#include<stdbool.h>

int main(){
	char s[300];
	while(1){
		gets(s);
		if(s==NULL)
		break;
		if(strcmp(s,"ENDOFINPUT")==0){
			break;
		}
		if(strcmp(s,"START")==0||strcmp(s,"END")==0){
			continue;
		}
		int len=strlen(s);
		for(int i=0;i<len;i++){
			if(s[i]>='A'&&s[i]<='Z'){
				char c=(s[i]-'A'+21)%26+'A';
				printf("%c",c);
			}else{
				printf("%c",s[i]);
			}
		}
		printf("\n");
	} 
}