#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define SIZE 10
typedef char string [30];
void pluralize(const string noun,string plural);
int main()
{
    int counter=0;
    string temp;
    int i=0;
    string names[SIZE];
    string plural[SIZE];
    do
    {
        printf("%d-Enter a singular noun :",i+1);
        scanf("%s",temp);
        if(strcmp(temp,"exit")==0)
        {
            break;
        }
        strcpy(names[i],temp);
        i++;
        counter++;
    }
    while(i<10);
    printf("---------------------------\n---------------------------\n");
    printf(" Nouns\t\tplurals\n");
    printf(" -----\t\t-------\n");
    printf(" -----\t\t-------\n");
    for(i=0; i<counter; i++)
    {
        printf("%d -%-10s",i+1,names[i]);
        pluralize(names[i],plural[i]);
        printf("\t%-15s\n",plural[i]);
    }
    printf("---------------------------");
    return 0;
}
void pluralize(const string noun,string plural)
{
    strcpy(plural,noun);
    int length=strlen(plural)-1;
    if(plural[length]=='y')
    {
        plural[length]='i';
        strcat(plural,"es");
        plural [length+3]='\0';
    }
    else if((plural[length-1]=='c'&&plural[length]=='h')||(plural[length-1]=='s'&&plural[length]=='h'))
    {
        strcat(plural,"es");
        plural[length+3]='\0';
    }
    else if(plural[length]=='s'){
        strcat(plural,"es");
        plural[length+3]='\0';
    }
    else
    {
        strcat(plural,"s");
        plural[length+2]='\0';
    }
}