#include <stdio.h>
int main() 
{
    int age;
    printf("Enter your age:");
    scanf("%d",&age);
    printf("age=%d\n",age);
    switch(age)
        {
            case 18:
            printf("You are not eligible to vote\n");
            break;
            case 20:
            printf("You are eligible to vote\n");
            break;
            default:
            printf("Your age cannot be processed.\n");
            break;
        }
    return 0;
}