#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define rep(i, n) for (i = 0; i < n; i++)
#define rrep(i, n) for (i = n; i >= 0; i--)
#define max(a, b) (a > b ? a : b)
#define min(a, b) (a < b ? a : b)

int main() {
    int b[10], i;
    rep(i, 10) scanf("%d", &b[i]);

    int sum = 0;
    rep(i, 10) sum += b[i];

    printf("%d\n", 55 - sum);
    return 0;
}