#include<stdio.h>
#include<math.h>
void main()
{
    int m,i,k,h=0,leap=1;
    printf("\n");
    for(m=1;m<=100;m++)
    {k=sqrt(m+1);
    for(i=2;i<=k;i++)
        if(m%i==0)
        {
            leap=0;
            break;
        }
        if(leap)
        {
            printf("%-4d",m);
            h++;
            if(h%10==0)
                printf("\n");
        }
        leap=1;
    }
    printf("\n The total is %d\n",h);
}