#include<bits/stdc++.h>
using namespace std;
struct tab{
	char o;
	int x;
};
tab bfe[]=
{
  {'1', 13},{'2', 12}, {'3', 46}, {'4', 31}, {'5', 43}, {'6', 18},{'7', 40}, {'8', 28}, {'9', 5},
  {'A', 54}, {'B', 20},{'C', 15}, {'D', 8}, {'E', 39}, {'F', 57}, {'G', 45},{'H', 36}, {'J', 38}, {'K', 51}, {'L', 42}, {'M', 49},{'N', 52}, {'P', 53}, {'Q', 7}, {'R', 4}, {'S', 9},{'T', 50}, {'U', 10}, {'V', 44}, {'W', 34}, {'X', 6},{'Y', 25}, {'Z', 1},
  {'a', 26}, {'b', 29}, {'c', 56},{'d', 3}, {'e', 24}, {'f', 0}, {'g', 47}, {'h', 27},{'i', 22}, {'j', 41}, {'k', 16}, {'m', 11}, {'n', 37},{'o', 2}, {'p', 35}, {'q', 21}, {'r', 17}, {'s', 33},{'t', 30}, {'u', 48}, {'v', 23}, {'w', 55}, {'x', 32},{'y', 14}, {'z', 19}
};
long long a[114];
int b[]={1,0,0,6,1,8,3,4,2,1,3,6,6,9,6,3,2,0};
int c[31],add[31];
int main()
{
	int ad=0;
	string bv;
	cin>>bv;
	for(int i=0,l=1;i<10;i++,l++){
		for(int j=0;j<60;j++){
			if(bv[i]==bfe[j].o){
				a[l]=bfe[j].x;
				break;
			}
		}
	}
	a[1]*=38068692544;
	a[2]*=3364;
	a[3]*=11316496;
	a[4]*=128063081718016;
	a[5]*=656356768;
	a[6]*=7427658739644928;
	a[7]*=195112;
	a[8]*=2207984167552;
	a[9]*=58;
	for(int i=1;i<=10;i++) ad+=a[i];
	int la=0;
	reverse(b,b+18);
	for(int i=0;i<31;i++){
		int t=ad;
		while(t){
			t/=10;
			la++;
		}
	}
	for(int i=la;i>0;i++){
		int t=ad;
		while(t){
			add[i]=t%10;
			t/=10;
		}
	}
	int t=0;
	int lc=la;
	for(int i=0;i<lc;i++){
		c[i]=add[i]-b[i]+t;
		if(c[i]<0){
			c[i]+=10;
			t=-1;
		}
		else t=0;
	}
	while(lc>0&&c[lc]==0) lc--;
	ad=0;
	for(int i=0;i<lc;i++){
		int j=i+1;
		long long x=1;
		for(int i=0;i<lc;i++) x*=10;
		ad+=c[i]*x;
	}
	int nor=ad^177451812;
	cout<<nor;
}