#include <stdio.h>

int main(){
	int c,a = 0;
	int s;
	int result;
	int vxod[99];
	for(int i = 0; i < 10; i++){
		c = getchar();
		if(c != 1)
			break;
		vxod[i] = c;
		a++;
	}
	s = vxod[0];
	for(int i = 0; i < a; i++){
		 result = s * vxod[i] + i;
	}
	printf("Vysledok je: %d\n", result);
	return 0;
}