#include<stdio.h>

int main(void)
{
    int i,j,n,counter = 0;
    for(i=2; i<= 100; i++)
    {
        n=1;
        for(j=2; j < i; j++)
        {
            if(i%j==0)
            {
                n = 0;
            }
        }

        if(n==1)
        {
            printf("%d is prime number\n",i);
            counter++;   //counter = counter +1;
        }

    }

    printf("\t\t total prime numbers in [1 too 100] : %d \n\n",counter);
}