#include <stdio.h>
#include <math.h>
#include <string.h>
int main(void){
int m, n;
int y=0;
int t;
scanf("%d", &m);
scanf("%d", &n);
for(int i=m; i<=n; i++)
{
for(int j=2; j<i; j++)
{
if(i%j==0)
{
j=i;
}
else
{
t=i;
y=y+i;
}
}
}
printf("%d \n %d",y, t);
}
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