/*
#include <stdio.h>
int main()
{int N,M,i,j,cnt=0,sum=0,min;
scanf("%d %d",&M,&N);
min=N;
for(i=M; i<=N; i++)
{cnt=0;
for(j=1; j<=i; j++)
{if(i%j==0)
{cnt++;
}
}if(cnt==2)
{sum=sum+i;
if(i<min)
{min=i;
}
}
}if(sum==0)
{printf("-1");
}else
{printf("%d\n",sum);
}
printf("%d",min);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{double arr[6][3],cnt=0,sum;
int i,j;
for(i=1;i<=5;i++)
{for(j=1;j<=2;j++)
{scanf("%lf",&arr[i][j]);
}
}for(i=1;i<=5;i++)
{if(arr[i][2]-arr[i][1]-1>4)
{cnt=cnt+4;
}else if(arr[i][2]-arr[i][1]-1>0)
{cnt=cnt+arr[i][2]-arr[i][1]-1;
}
}sum=cnt*10000;
if(cnt>=15)
{sum=sum*0.95;
}else if(cnt<=5)
{sum=sum*1.05;
}printf("%.0lf",sum);
return 0;
}
*/