【April Fools Day Contest 2016C】【流程图翻译】Without Text

C. Without Text

time limit per test

2 seconds

memory limit per test

64 megabytes

input

standard input

output

standard output

You can preview the image in better quality by the link: http://assets.codeforces.com/files/656/without-text.png

Input

The only line of the input is a string (between 1 and 50 characters long, inclusive). Each character will be an alphanumeric character or a full stop ".".

Output

Output the required answer.

Examples

input

Codeforces

output

-87

input

APRIL.1st

output

17

#include<stdio.h>
#include<iostream>
#include<string.h>
#include<string>
#include<ctype.h>
#include<math.h>
#include<set>
#include<map>
#include<vector>
#include<queue>
#include<bitset>
#include<algorithm>
#include<time.h>
using namespace std;
void fre() { freopen("c://test//input.in", "r", stdin); freopen("c://test//output.out", "w", stdout); }
#define MS(x,y) memset(x,y,sizeof(x))
#define MC(x,y) memcpy(x,y,sizeof(x))
#define MP(x,y) make_pair(x,y)
#define ls o<<1
#define rs o<<1|1
typedef long long LL;
typedef unsigned long long UL;
typedef unsigned int UI;
template <class T1, class T2>inline void gmax(T1 &a, T2 b) { if (b>a)a = b; }
template <class T1, class T2>inline void gmin(T1 &a, T2 b) { if (b<a)a = b; }
const int N = 0, M = 0, Z = 1e9 + 7, ms63 = 0x3f3f3f3f;
int casenum, casei;
char s[60];
int main()
{
	while(~scanf("%s",s))
	{
		int ans = 0;
		for (int i = 0; s[i]; ++i)
		{
			if (s[i] >= 'a'&&s[i] <= 'z')ans -= s[i] - 'a'+1;
			if (s[i] >= 'A'&&s[i] <= 'Z')ans += s[i] - 'A'+1;
		}
		printf("%d\n", ans);
	}
	return 0;
}
/*
【题意】
http://assets.codeforces.com/files/656/without-text.png

【类型】
流程图翻译

*/