/*
#include <stdio.h>
int main()
{
double s,e,k=0;
int i,j,n,sum=0;
for(i=1;i<=5;i++)
{
scanf("%lf %lf", &s ,&e);
if(e-s>=1&&e-s<=5)
{
k=e-s+k-1;
}
else if(e-s>5)
{
k=k+4;
}
}
sum=sum+(k/0.5)*5000;
if(k>=15)
{
sum=sum*0.95;
}
else if(k<=5)
{
sum=sum*1.05;
}
printf("%d", sum);
}
n n%10 rev sum
123 3 3 3
12 2 32 5
1 1 321 6
0 break;
*/
/*
#include <stdio.h>
int main()
{
int n,i,k,sum=0,rev=0;
scanf("%d", &n);
for(i=1;;i++)
{
sum=n%10+sum;
rev=n%10+rev*10;
n=n/10;
if(n==0)
break;
}
printf("%d\n%d", rev, sum);
}
*/